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Oki 720 Printer User Manual

1. mWN wZza caguugouozmgovcmwce xommuou ML720 721 Printer Handbook 95 Lower ASCII Character Sets 4 4 IBM Set 2 Epson IBM Sets 1 amp 2 Set 1 ML Line Graphics 61 97 Lr HK NE KM ES Ke HHMTDOBD Se We 1 Nux 4 t eununu nuomnH mw mBm o tocs Q N uex Z 4 c amp e 6ewuwnu onuomsBH mw rmme onrocs D lt lt Fe we THM WU ow J 96 Appendix D ASCII Character Codes Upper ASCII Character Sets Upper ASCII Character Sets 1 4 Epson Epson peta Set 1 Set 2 Set1 Graphics 80 NUL NUL Dy GOSS 8 Eh om CO 1 i i e P f a ML720 721 Printer Handbook 97 Upper ASCII Character Sets 2 4 Epson Epson IBM Sets 1 2 amp Block Graphi Ear dd 161 1 ee ABoo ODON ld ET eA Om ro L b ee 2 L gt Owv it Ac H 98 Appendix D ASCII Character Codes 2 Upper ASCII Character Sets 3 4 Epson Epson IBM Sets 1 2 amp ML Block
2. 2 1 abcdefghijklmnopqrstuvwxyzt 70123456789 gt IBRBCDEFGHIJHKLMNOPGRSTUVWXYZENI1 abcdefghijklmnopqnstuvwxyztil a M1ES4567891 3 TI SOBCDEFGHI JKLMNOPQRSTUUNWXYZENT abcdefghijklmnopqestuvaxyztir 781835456789 VO EABEDEF abedefghijkilmnopqrstuvweyzt bY 01534567891 IROBCDEFGHIJHKLMNOPGRSTLUUWXYZEN abcdefghijklmnopqrstuvwxyztll 2945678913 IBOBCDEFGHTJHKLMNOPGRSTUVWXYZENI _ abcdefghijklmnopqrs tuvwkyztli 23456789 7PABCDEFGHI JKLMNOPGRSGTUVUXYZENI1 abcdefghijklmnopqgnstuvwxyztl lv 3436789 RYABCDEFGHI JKLMHNDOPORSTIIUWXYZEN1 abcdefghijklmnopqestuvwxyztlYY rs 495678913 JALMNOFPGRSTUUWXYZEN1 abcdefghijklmnopgnstuvwxyztflYv amp 36789 S3BCDEFGHI JELMNOPORSTUVWXYZONI abcdefghijklmnopqestuvwxyztlv amp 7B89 3 IBRABCDEFGHTJEKLMNOPDBRSTUUWXYZEN abedefghijklmnopqestuviwrxyzrtiMEv 2 IBSQBCDEFGHIJHKLMNOPOGRSTUVWXYZEN1 abedefghijklmnopqestuvwkyzilv 4g A lt ABCDEFGHIJKLMNOFOQRSTUYWKXYZONI abcdefghijkLlmnopqnestuvwxyztl amp 9 3 PRABCDEFGHIJKLMNOPARSTUVWXYZENJS abcdefghijklmnopqestuvwxyzill PUHSART CH 1 PHABCDEFGHI JKLMNOPORSTUVWXY ZENIT abedefghijklmnopaqrstuyvwxyzt amp amp 0 IBABCDEFGHI JELMN PGRSTUUWXYZEN1 abcedefghijklmnopqbestuvwxyzilk 2IAOBCDEFGHIJKL MNOPGR
3. 38 Performing Basic rete b etude 39 Selecting Prima uo aea debet eU ut ER rto 39 Selecting Character PHeh uoa eria 40 Testing Miers 41 Resetting of For 45 Usine a b GARD TA ed bn 45 Chapter 4 Working with 2222 49 basic uam 49 Printer Commands cesso ceto tent dot UE KE pH ERE 49 149 e M 50 Printer DInVeteu eibi enu i teet tege peri end 50 Compatible Printer Drivers DOS icit iei opti Eyed capa 50 Windows Printer DEVIS eet eto Tk oat oed to 51 Chapter 5 Problem Solving Maintenance amp Service 53 Problem Solving uiae reinen bee qe e DS Fel wurde REDE 53 EHE 56 Replacing the Ribbon Carttid ge 56 Clearing Papet ans 29 Cleaning the 63 PROCESS ONTOS SS o ionic tetas 64 Replacement ue 66 Appendix A Specifications 67 Appendix B Menu Selections DA e S in
4. CMM ey OO TAD oic n5 lt gt WU td o lt a l CER MULTILINGUAL B cIDIEt Fi Al 215161718191 21431 Lid 0 ilat c toy te o 5 O 30 20 0 0 43 oD mae 4 3 dd Haw 44 PL Ag xe 2 lt Hg wy 00 OO 4 44 X ANN we ES lt e 1 ELO NORWAY AiBICIDIEIF4 5161718191 11213141 02 VI gt f on 5ort trtHor v 9 u oco8g uc a 1 4 tet E te 2t SS eer eS oe BVM ove Cw ee H M G IO Ome 4D 40 sU 0 U UC 4b cd E ibo 4 Hoenn eK NN a MO UVAGH OoOxA OMA BO 0 gt 54 2 lt SANMNTNUOR DMN wy u A ae RM MBs wakt 21 ASCII Character Codes Appendix D 104 BICIDIEIFI Al 61718191 Code Page Character Sets 2 3 4151 81 11 21 9 Abicomp 1 1 t mf 0 BI 0x 0005 4 823909 A 1 gt E 3m x00 4 8 OUO 9 4 Hon 1 1 8 323 oD Ha mal 4 oH
5. I Prime Buffer Print factory default Buffer Clear or Invalid Determines how the printer will react to the I Prime signal from your software With the factory default engaged when the printer receives the I Prime signal it will print out the contents of the buffer before resetting Change the setting to Buffer Clear if you wish the printer to dump the contents of its buffer immediately upon receiving the I Prime signal Change to Invalid if you want the printer to ignore your software s I Prime signal This will permit you to enter settings through the printer s control panel which will not be automatically over ridden by the software s settings when the I Prime signal is sent Language Set American factory default French German British Danish I Swed ish Italian Spanish I Japanese Norwegian Danish II Spanish II Latin American French Canadian Dutch or Publisher Replaces certain symbols with special charac ters used in the respective foreign languages 76 Appendix B Menu Selections Line Spacing 6 factory default or 8 Choose 8 lines per inch for tighter line spacing to get more lines per page Operator Panel Function Full Operation factory default or Limited Operation Change to Limited Operation to deactivate the PRINT QUARITY and CHARACTER PITCH buttons on the control panel Then you can control these features only through your software This can be useful when several people are u
6. ML 721 only Appears only when IBM Proprinter emulation is selected Appears only when Microline emulation is selected Appears only when Epson FX emulation is selected Appears only when optional Cut Sheet Feeder Accessory is installed Appears only when optional Serial Interface is installed 1 2 3 4 5 Line Spacing Bottom Margin Page Length 6LPI 8LPI Valid Invalid 11 11 2 5 12 14 17 5 3 3 5 A 5 5 6 7 8 8 5 Applicable only when the Roll Paper Stand is installed ML720 721 Printer Handbook 73 Explanation of Menu Items These explanations are in alphabetical sequence to make it easier to look them up Many of the items will appear only with optional equipment installed as noted be low You will find the items Line Spacing Form Tear Off Skip Over Perforation and Page Length appearing several times in the menu once for each paper path 7 or 8 Bit Graphics Choose 7 factory default or 8 bits 7 or 8 Bit Data word Choose 8 factory default or 7 bits Auto CR IBM mode only No factory default or Yes Choose Yes to make your printer automatically perform a carriage return when a LF is received at the end of the line Auto LE No factory default or Yes Change to Yes if your printer overprints Keep this set to No if your software adds a line feed when a carriage is received at the end of a line If your printout is consistently double spaced set this item
7. 3 Gontents Introduction e 1 Chapter T Installation ooa coL org Capa UR 3 Unpacking ius 3 Removing Shipping 4 Installing Ribbon Cartridge 5 Making Connections E 6 Connection with Computer ose seule nter veri 6 Connection with POW er bleue e Eust 8 Chapter 2 Loading RD toa Dind 9 Loading Single Sheet Paper ad 11 Loadine UD ec 14 Paper eH cadi 21 Teat M 21 Forms Tear off Rea tate 22 Paper Park Feature sud edd usd ct di 22 Switching Paper e eR DERI 23 3 ed eon 25 Control publ ben uta 25 P 27 Indicator Lights soriire o PERLE a 27 p Mm 28 Ment Mode eare 32 Sample NODI ER 33 Summary of Menu Settings pes v qo bd D aad Dae 34 Menu Mode Indicator Lights ecce etie e 37 Menu Mode Buttons 37 Resetting Menu to Factory Defaults
8. 8RBCDEFGHIJKLMNOPGRSTUVWXYZIN1 abcdefghijklmnopqrstuvwxyztlY HSER 0183456789 2 ABCDEFGHI JKLMNOPORSTUUWXYZEN3 abcdefghijklmnopgrstuvwxyztl Utility 17 1 USE 0123456789 7 ABCDEFGH JKLMNOPORSTUVWXYZ I _ abcdefghi jklsnopgrstuvmxyz i CIE 14 0123456789 2 ABCDEFGHI JKLMNOPORSTUAMIY2IX2 abedefghi jklanopqrstuvwxyzt R4 Hes 0123455789 2 ABCDEFGHI JKLMNOPORSTUVWXYZ I _ abcdefghi jklanopars tuvwxyzt D NLG 10 1 S51 amp 10123456789 lt gt 28ABCDEFGHIJKLMNOPGRSTUVWXYZINJ abcdefghijklmno pqrstuvwxyz 54 amp 0123456789 2 20ABCDEFGHIJKLMNOPQRSTUVWXYZIN 1 abcdefghijklmnopqrstuvwxyzil 4 X amp 0123456789 G0ABCDEFGHIJKLMNOPQ RSTUVWXYZIN1 abcdefghijklmnopqrstuvwxyzil NLQ 12CPI 1446787 7 0123456789 lt gt eABCDEFGHIJKLMNOPQRSTUVWXYZIN 1 abcdefghijklmnopqrstuvwxyzill 1 5787 4 0123456789 lt gt 2PABCDEFGHIJKLMNOPQRSTUVWXYZIX1 abcdefghijklmnopqrstuvwxyzi 45787 e 0123456789 lt gt 8ABCDEFGHIJKLNNOPORSTUVWXYZINJ abcdefghijklmnopqrstuvwxyzil Scalable Courier 216 to 22 point Scalable Gothic 216 to 22 point Operation To run the Font Test 1 Be sure paper is loaded 2 Turn off printer 3 Hold LF button for several seconds while turning printer on IF printer simply turns on without startin
9. i i ta Ib bet i 4 GNE LSU ala bey HL Ee Ne alamooonosSoooosaAm i 1 pg dee e di Ot qe 1 ot eee ES md i 2 1 Se mie Huec AR 4 ORARAA gt 4 1 1 ones 29 ee R lt 1 om sal 4 L Fox t a 2 cx 41 aay 1 1 1 c i 1 1 DU d das o FOE HO 4 1 1 1 ee at Rl ao oe SX ANS m Rl gt M i f e wie THVVAH EEO vi 1 i 1 2 lt t lt 1 gt 1 1 1 1 1 1 leannwnuonan sev It O1SANMENONATH av Ae SANMTNON AT savin i _ 1 1 E GR 4b 2 08 o HH al 0 t we mK al eN ok all 87 x Ta i ao 99 S ASCII Character Codes Appendix D 106 Appendix E Interfacing This appendix gives the pin assignments for the parallel interface and Universal Serial Bus USB It al
10. 1B 32 1B 30 1B31 1B41n 1B 25 39 ML720 721 Printer Handbook 87 Epson Function Vertical Control cont Set Line Spacing to 516 Vertical Tab Set Vertical Tab Stops Line feed compound command Reset Vertical Tab to Defaults Set Vertical Format Unit VFU Set Vertical Tab Channel Set Basic Unit Set Page Length in Defined Unit Set Page Format ASCII Code ESC VT ESC Bn n 0 ESC DLE H Pno A1 A2 P1P2P3 ESC BO 5 n0 ESC n ESC U Ln Hn Pn ESC C Ln Hn Lp Hp ESC c Ln Hn Lt Ht Lb Hb Decimal Code 2751n 11 27 66 n n 0 27 16 72 Pno A1 A2 P1 P2 27660 27 98 nk 0 27 47 27 40 85 Ln Hn Pn 27 40 67 C Ln Hn Lp Hp 27 40 99 Ln Hn Lt Ht Lb Hb Hexadecimal Code 1B 42 nino ny 00 1B 10 48 Pno Al A2 P1 P2 P3 1B 42 00 1B62mn4n 0 1B 2Fn 1B 28 55 Ln Hn Pn 1B 28 43 C Ln Hn Lp Hp 1B 28 63 Ln Hn Lt Miscellaneous Cancel Change Emulation Delete One Character Initialize Printer Half Speed Printing On Half Speed Printing Off Paper Out Sensor On Paper Out Sensor Off Print Suppress Mode On Print Suppress Mode Off Set Most Significant Bit to Zero Set Most Significant Bit to One Incremental print mode On Off Cancel Most Significant Bit Control Software I Prime Justification Left Justification Center Justification Right Justification Within Line Justification CAN ESC n DEL ESC ESC s1 E
11. AE SCR Qimwooonoxeoooneadm 4 1 0 UO4U te OE Ea HH 1 0 0 0 0 0 8 5 0 0 0 6 io uns m lt serm e Mis na NAN OR Be 1 Y lt 4 64 04 4 Odd Hd d OH 04 0 UE LE Oi d 5 25 lt lt o Qi 0 0 OQ cmi c rt wl 14 1 4p 9 4 0 0 G 37 0 S G S X oa m zu 91 Oo mo eon i 1 i Aare Oe ANH HK Om AOR OH oD eR RNS ei ee lt emn d 0 1000 0 u Uc uomoxaBe ao vi VAUVTDUVHACHOKH ESO 1 BORNE D gt 1 lt t me 1 wie monoutomuasoxdxzo vie moaounoruoxixzo i av Ao SANMTNORADH AVI AS ML 0 1 3 r WONG d ON GX Ie NI 3 nat Bo la z 1 1 1 N 1 1 e QS 105 ML720 721 Printer Handbook Code Page Character Sets 3 3 101112131415 6171819 LI A1 BICIDIEI F I PORTUGAL 1 1 t e 6 2 Lm awe En m Bob wb gt L a gt 1 i o demo saasa wc P
12. Appendix E Interfacing Installing the Serial Interface Caution Handle the interface board with care to avoid damaging its components The components can also be damaged by static discharges We recommend that you leave the board in its protective packaging until you ve read these instructions and are ready to install it Make sure the printer is unplugged before you install the board 1 Remove plastic covering over opening for serial board in back panel Parallel port insert tip of flat blade screwdriver at top and twist it to snap plastic mold ing holding cover in place repeat procedure for molding at bot tom of cover press inward on cover with your fin gers and bend it back and forth until it snaps off 2 Holding board by cable connector with Component components facing away from parallel side of board interface gently slide it into opening against guides at top and bottom Press firmly into place ML720 721 Printer Handbook 109 3 By inserting board to the far end it is locked by the lock piece inside Lock piece 4 Connect suitable interface cable must be purchased separately to printer con nector and to serial port of your com puter Be sure to tighten screws on both ends of cable to keep it in place Important Make sure that you do not have a parallel cable connected to the printer when you re using the serial inter face You can switch to the parallel inter f
13. H 1B 5B 49 Ln Hn Hfid Lfid Hfwd Lfwd fa Nul He Le 1B 5B 64 Ln Hn Pn Custom Characters Down Line Load Characters Copy ROM Character Set to RAM Character Set ESC a2 di 5 276 di dk 27 36 1B 3D Cut Sheet Feeder Control Insert Eject Paper 82 Appendix C Priner Commands IBM Function Graphics Single Density Graphics Double Density Graphics Double Speed Double Density Graphics Quadruple Density Graphics ASCII Code ESC Ly data ESC L Ly data ESC Y Ly Hy data ESC Z Ly Hn data Decimal Code 27 75 Ln Hy data 27 76 Ly Hn data 27 89 Ly Hn data 27 90 Ly H data Hexadecimal Code 1B 4B L4 Hj data 1B 4C Ln Hj data 1B 59 L4 Hj data 1B5A Ln data Horizontal Control Backspace Carriage Return Margin Setting Left amp Right Horizontal Tab Set Horizontal Tab Clear Horizontal Tab Settings Set 4 column Tabulation Set Print Position Set Relative Dot Position Uni directional Print On Uni directional Print Off Set Relative Print Position BS CR ESC Xnm HT ESCDn n 0 ESC D00 ESC ng n4 ESC DLE Pa A2 P1 P2 ESC L4 Ha ESC U1 ESC UO ESC dL Ha 8 13 2788 9 27 68 1 2 0 276800 27 37 66 ny no nan4 27 16 64 Ph Py P2 P3 P4 27 124 Ln Hn 27851 27850 27 100
14. feat IFSE Ea FIRE Wael ER r FS F G H I J K L M N 9 R 5 U V W X Y 2 1 A RE 98 IN ML720 721 Printer Handbook 99 Upper ASCII Character Sets 4 4 Epson Epson IBM Sets 1 2 amp 3 ML Block Graphics El 8 0 as 91 O6 9 xa nMa3 as vo ty tems NCR E CK ne TOW An oA 5 100 Appendix D ASCII Character Codes Epson International Character Substitutions French Canadian Latin American Publisher 101 ML720 721 Printer Handbook International Character Substitutions a c 9 5 Latin American Publisher Appendix D ASCII Character Codes 102 MICROLINE International Character Substitutions French Canadian 8 T E 8 American slashed zero Norwegian Publisher Swedish 103 ML720 721 Printer Handbook FI 2 t t i 1 at 1 i t Ot Se y 1 1 gx S D N niyawo on usa 9 EM 1 H Mer F G 1 1 60 Hi aaan 1 1 PA wi e no o Q 1 i 1 1 1 i i 1 1 1 1 1 2 3 Code Page Character Sets VM C o D
15. 10 Oe L 01934567091 C P ARCDEF GHIIKLMNOPARSTUVWXYZENI _ abedefahi jkimno pqrstuvwxyz URSZR 0193456789 gt PBABCDEFGHI IKLMNOPORSTUVWXYZENI abedefghi jklmanopqratuvwxy Ch BBXA QU 7010345675913 lt gt PRBABCDEFGHIIKILMNOFR RSTUVWXYZONI abcdefghi jkimnopqrestuvwxyztl SSD 12CPI IUBSXRT O Rty m 0193456789 lt gt PRARCDEF GHITKLMNOPORSTUMUXYZENI _ abcdefghi jlcimnopqnstuvuxyz EY HEAR Oder 019 3456789 5 TROBCDEFGHIJKLPINOPGRSTUAXYZENT abedefghijlklammopqretuvewxyz EY 0193456709 C PBABCDEF GHITKLMNOPORSTUVUXYZINI _ abode fghi jlclamopqrstuvwxy z C17 HSD 17 1CPI 0123456769 TBRBCDEFGHTJKLMNOPORSTUMXYZINT abedefghi jkimmopqrstuvwxyz 188247 8123456789 PBABCDEF GHT JKLMNOPORSTUWXYZUN abedefghi jklamopqrstuvwxyr l H x 0 7123456789 5 2BABCDEFGHI JKLMNOPORSTUAXYZENT abedefghi jkimnopars tuvwryz 1 Utility 1 CPI Ouen 2183456789 8QBCDEFGHIJKLMNOPGRSTUUVWXYZINI abcdefghijklmno parstuvwxyztlY v S 7 amp O 4 0123456789 2BABCDEFGHI JHKLMNOPGRSTUUWXYZEN1 abcdefghijklmnopqrstuvwxyzil HS X amp A12 3456789 7 ABCDEFGHIJKLMNOPR RSTUUVUXYZLN1 abcdefghijklImnopqrstuvwxyztll Utility 12 LRS 70183456789 2 ABCDEFGHI JKLMNOPGRSTUVWXYZC I _ abcdefghijklmnopqrstuvwxyzt LESER 70123456789
16. 10 cpi 12 cpi 15 cpi 17 1 cpi 20 cpi No Yes Normal Italics Single Double Symbol Sets Rear Feed Character Set Language Set Zero Character Code Page Line Spacing Form Tear Off Skip Over Perforation Page Width Page Length Set I Set II EPSON IBM mode Standard Line Graphics Block Graphics ML mode American French German Britishi Dan ish I Swedish Italian Spanish I Japanese Norwegian Danish II Spanish II Latin American French Canadian Dutch Pub lisher Slashed Unslashed USA Canada French Multilingual Portu gal Norway BRASCII Abicomp Multilin gual 858 ISO 8859 15 6 LPL 8 LPI Off 500 ms 1 sec 2 sec No Yes 13 6 8 11 11 2 3 12 14 17 5 3 3 5 4 5 5 6 7 8 8 5 ML721 only 34 Operation Bottom Feed Line Spacing Form Tear Off Skip Over Perforation Page Width Page Length Setting 6 LPL 8 LPI Off 500 ms 1 sec 2 sec No Yes 13 6 8 11 11 2 3 12 14 17 5 3 3 5 4 5 5 6 7 8 8 5 Top Feed Line Spacing Bottom Margin Page Width Page Length Wait Time Page Length Control 6 LPI 8 LPI Valid Invalid 13 6 8 11 11 2 5 12 14 17 5 3 3 5 4 5 5 6 7 8 8 5 1 sec 2 sec 50015 by Actual Page Length by Menu Setting Graphics 7 or 8 Bit Graphics 1 Receive Buffer Size Paper Out Override Print Registration 7
17. Adjust the setting up or down for the best print quality Note When the setting is set at 2 5 the printer automatically slows down for better print quality with thicker multipart forms Important Be sure to use only ribbons specifically for use with MICROLINE 720 series Headgap lever For best results use genuine OKI ribbons Making Connections Connection with Computer There instructions are for the standard parallel interface and USB interface Instructions for installation connection of a serial interface are included with the serial interface ac cessory For more information on the serial interface accessory see Chapter 5 Installation Pin assignments for the parallel USB the serial interfaces are listed in appendix E You must supply the cable for connecting your printer to your computer a In the case of parallel interface cable 1 Make sure both printer and computer are OFF 2 Locate interface port back of printer P ui i 3 Plug parallel interface cable into port and secure it in place with wire loops 1 Make sure both printer and computer are OFF 2 Locate interface port on back of printer 3 Plug USB interface cable into port ML720 721 Printer Handbook Connection with Power Power cord EXIT POWER ALARM Power light Alarm light 1 Make sure both printer and computer are OFF 2 Plug power cord into bac
18. Form Tear off Paper Park Tear Feature When you re using continuous forms with either the built in rear feed tractor or the optional bottom feed push tractor you can use this feature to advance the forms up to the tear position so you can easily tear off a printed sheet without wasting paper or readjusting the printer To do this simply press the TEAR button on the front panel SEL SEL FF LOAD MENU SHIFT Micro Feed Micro Feed p EXIT GROUP ITEM SET POWER ALARM MENU gt tear feature can not be used when the optional pull tractor is installed ML720 721 Printer Handbook 21 Forms Tear off Feature Caution Do not engage Forms Tear off when printing on labels The Forms Tear off feature can be engaged to automatically move the paper up to the tear position after the selected interval 500 milliseconds one second or two seconds The page will stay in the tear off position until the printer receives data It will then move down to the initial printing position This feature is normally turned off To activate it enter the printer menu see Menu Mode in Chapter3 and choose one of the intervals amp 2 Some programs such as high resolution graphics packages pause occasion ally while sending data to the printer If the pause lasts more than the selected interval the paper will advance to the tear off position until more data is received No data will be lost but this extra paper
19. Hj data 1B3Fmn 1B 5E m Ly Hj data Horizontal Control Backspace Carriage Return Margin Setting Left Margin Setting Right Horizontal Tab Set Horizontal Tab Clear Horizontal Tab Settings Set Print Position Set Absolute Dot Position Set Relative Dot Position Uni directional Print On Uni directional Print Off Print Uni directional for One Line BS CR ESCIn ESCOn HT ESCDn n 0 ESCD00 ESC DLE Aj Ao P1 P2 P3 P4 ESC Ln Hn ESC La Hn ESCU1 ESC U0 ESC lt 8 13 27 108 27 81 9 27 68 1 2 0 276800 27166 A1 Ao P4 P Ps Py 27 36 Ln Hn 2792 Ln Hn 27851 27 850 27 60 08 0D 1B6Cn 1 5 09 1 44 nino ny 00 1B 44 00 00 1B 1040 P Ay A2 Py Po P4 P4 1B24 Ln Hn 1B 5C Ln Hn 1B5501 1B 55 00 1B3C Vertical Control Page Length Set inn Inches Page Length Set in Lines Skip Over Perforation Set Skip Over Perforation Reset to Default Form Feed Line Feed Perform 7 46 Line Feed Perform 1 1 Line Feed n 216 Reverse Line Feed Set Line Spacing to 1 6 Set Line Spacing to 1 4 Set Line Spacing to 7 7 Set Line Spacing to 72 Set Line Spacing to 4 4 ESC O FF LF ESCJn ESC 5n ESCjn ESC 2 ESC 0 ESC 1 ESC An ESC 9n 27 670n 2767n 2778 2779 12 10 27 74 27 37 53 27106 2750 2748 2749 2765 27 37 57 1B 43 00 1B43n 1B4En 1B 4F 0 0 1B4An 1B2535n 1B6An
20. L ESC M US ESC US 1 ESC US 0 ESC amp nj n ngng ESC Y ESC Z ESCNn 30 28 27 108 29 273551 2774 2775 2776 2777 31 273149 273148 27 38 12 N3 N4 58 27 89 2790 2778n 1E 1C 1B 67 1D 1B 23 33 1 4 1 4 1 4 1B4D 1 1B1F31 1B 1F30 1B 2611 non3n43A 1B 59 1B5A 1B4En ML720 721 Printer Handbook 89 Microline Function Character Style HSD Print Mode On Select Utility Print Mode Select NLO Courier Font Select NLO Gothic Font Select Font by Pitch and Point Italics On Italics Off Emphasized Printing On Enhanced Printing On Emphasized and Enhanced Printing Off Underline On Underline Off ASCII Code ESC 0 ESC 0 ESC 1 ESC ESC DLE F Png Pn Lp Hp ESC ESC ESC T ESC H ESCI ESC ESC D Decimal Code 27 35 48 27 48 27 49 27 51 27 16 70 Pn Lp Hp 27 33 47 27 33 42 27 84 27 72 2773 27 67 27 68 Hexadecimal Code 1B 23 30 1B 30 1B31 1B 33 1B 10 46 Pn Lp Hp 1B 21 2F 1B 21 2 1B 54 1B 48 1B 49 1B 43 1B 44 Custom Characters Copy ROM Character Set to RAM Character Set Download Custom Ascender Characters Download Custom Descender Characters Select DLL Utility Character Font Select Down Line Load NLO Character Font ESC ESC Amn ESC nj ESC 2 ESC 7 27 36 27 37 65 1 111 27 37 68 ng 2750 2755 1 24 1 254111 n 18 2544 1 n
21. gt the ASCII format all non printable characters will be represented by a pe riod For example this line of BASIC code LPRINT 27 0 30 This is an example of a hexadecimal dump would print like this 1B 30 1B 54 68 69 73 20 69 73 20 61 6E 20 65 78 0 This is ex 61 6D 79 6C 65 20 66 20 61 20 68 65 78 61 64 ample of hexad 65 63 69 6D 61 6C 20 64 75 6D 79 2B A ecimal dump 44 Operation To engage the Hexadecimal Dump Mode 1 Be sure paper is loaded 2 Turn off printer 3 Hold SEL and FF LOAD buttons for several seconds while turning on printer The printer will print the line Hex Data Dump and be ready to receive data in the Hexadecimal Dump Mode To run the test simply send data to the printer while it is in the Hexadecimal Dump Mode When you re done you can exit the Hexadecimal Dump Mode by either pressing the SEL button or by turning the printer off then on again Resetting Top of Form To reset the Top of Form to the factory default 1 Turn off printer 2 Hold down QUIET and PARK buttons while turning printer back on Using Bar codes Your MICROLINE 320 321 Turbo printer incorporates eight different bar codes UPCE EAN 8 EAN 13 Code 39 Code 128 nterleaved 2 of 5 Postnet ML720 721 Printer Handbook 45 You will find a list of the bar code printer commands for each emulation append
22. kn ESC n ESC 4 ESC 5 ESC ESC ESC ESC H ESC 1 ESC 0 27 40n 27 120 27 40 85 Pn 27 88 Pn Lp Hp 27 107 2733 2752 27 53 27 69 2770 2771 2772 27451 27450 1B28n 1B78n 1B 28 55 Pn 1B 58 Pn Lp Hp 1B6Bn 1B21n 1B 34 1B35 1B 45 1B 46 1B 47 1B 48 1B2D01 1B 2D 00 Custom Characters Down Line Load Custom Characters Copy ROM Character Set to RAM Character Set Custom Character Set On Custom Character Set Off ESC amp 0 n4 nz a data ESC 0n0 ESC 0 ESC 1 27 38 0 data 27 580n0 27 37 0 27 37 1 1B 26 00 n4 data 1B3A 0n0 1B 25 00 1B 25 01 Cut Sheet Feeder Control Insert Eject Paper Graphics Single Density Graphics Double Density Graphics Double Speed Double Density Graphics Quadruple Density Graphics ESC EMn ESC K L n data ESC L L a Hy data ESC Y L a Ha data ESC Z L Hy data 2725n 2775 L Hy data 27 76 L Hn data 27 89 L H data 2790 L Hy data 1B19n 1B 4B L n H data 1B4C L data 1B59L Hy data 1B5A L data 86 Appendix C Priner Commands Epson Function Graphics cont Graphics Select Print Reassign Graphics Select 9 pin Graphics Printing ASCII Code ESC m Ly data ESC mn ESC mL data Decimal Code 27 42 m Ly Ha data 27 63 2794 m Ln data Hexadecimal Code 1B 2A m Ly
23. n4 1B 25 45 nj no ng n4 1B 25 42 nj no ng n4 1B 10 40 Pa Pi Po P3 1B 09 x y z 0D 1B03xyzw0D 1B 090D 1B2D 1B 3D Vertical Control Page Length Set in 1 Increments Page Length Set in Lines Skip Over Perforation On Skip Over Perforation Off Set Top of Form Form Feed Skip Down Selected Number of Lines Line Feed with Carriage Return Line Feed without Carriage Return Carriage Return Line Feed Selection Command ESC G Ha Ln ESC FH Ln ESC Sn ESC S0 ESC 5 FF ESC VT Hy Ln LF 2771 Hn Ln 27 70 Hn Ln 273783n 2737830 2753 12 2711 Hp Ln 10 2718 25 63 58 1B47 Hn Ln 1B 46 Hn Ln 1B2553n 1 255300 1B35 0C 1BO0B Ha Ln 0A 1B 12 1B3Fn3A ML720 721 Printer Handbook 91 Microline Function Vertical Control cont Perform 7 1 Line Feed Reverse Line Feed Set Line Spacing to 1 4 Set Line Spacing to 1 6 Set Line Spacing to 444 Vertical Tab Execute VFU Vertical Tab Set Vertical Tab Channels Line feed compound command ASCII Code ESC 5n ESC LF ESC 8 ESC 6 ESC 9n VT VTn DC4 SP SP n SP SP ESC DLE H Pno 1 2 P1 P2 P3 Decimal Code Hexadecimal Code 27 3753 27 10 27 56 27 54 27 3757n 11 lin 203232 3232 63 27 16 72 Pno A1 2 P1P2P3 14 20 20 n 20 203F 1B 10 48 Pno Al A2 Miscellaneous Cancel Initialize Printer Half Speed Printing On Half Speed Printing Off Change Emulation Pape
24. or Unslashed The factory default will cause slash to appear in zeros to distinguish them from the capital letter O To disengage the slashed zero change this to Unslashed ML720 721 Printer Handbook 79 80 Appendix Menu Selections Appendix C Printer Commands This appendix contains a listing of the printer commands for the IBM proprinter Epson FX and OKI MICROLINE emulations grouped by function IBM Proprinter Printer Commands IBM Function ASCII Code Decimal Code Bar Code Commands Select Bar Code Type ESCDLEA mn ng 27 1665 ng and Size Print Bar Code Data ESC DLE data 27 16 66 data Print Postnet Bar Code ESC DLE C n data 27 16 67 n data Data Select Bar Code Type ESC f Ln Hn PkPm Ps 2791102 Ly Hy Pk Ly Hy Pe Pi Ps Ly Hy Pe Print Bar Code ESC f La Hn DATA 2791 112 Ln Hn DATA Hexadecimal Code 1B1041mn4 ng 1B 1042 m n data 1B 1043 n data 1B 5B 66 Ly Hn Pk Ps Ly Hy Pc 1B 5B 70 Ln Hn DATA Character Sets Select IBM Character Set I ESC 7 2755 Select IBM Character Set ESC 6 27 54 Print from IBM ESC La 27 92 Ly Hy Character Set III Print One Character from ESC n 27 94 IBM Character Set III Select International ESC n 2733n Character Set Select Code Page ESC TL Hn 00 Hep Lop 27 91 841 H 00 0 Hep Lep 0 1B 37 1B 36 1B 5C Ln Hy 1B5En 1B21n 1B5B54L H 00 Halo 0 Character Size Spacing Select 10 cpi P
25. or missing The shield must be left on the ribbon when you are installing the cartridge To remedy this situation move the printhead to the center of the platen careful printhead may be HOT and lift off the ribbon cartridge Check the ribbon shield If it s loose secure it in place properly If it s missing locate it and reinstall it Problem Ink smears on the paper when I print narrow columns Solution This may be caused by excessive printhead travel from the centering posi tion Enter the Menu and set the Centering Position to MODE 1 see Menu Mode in Section 3 For wide carriage Model ML391T if MODE1 doesn t work try setting the Centering Position to MODE2 there are dots missing in my printouts The head gap may not be set correctly Try moving the head gap lever to a lower setting If that doesn t help the printhead may be damaged call for service 54 Ploblem Solving Maintenance amp Service the Alarm light is on and the Character Pitch 15 light is flashing This indicates a paper loading error To stop the flashing light press the SEL button Before trying to load paper in again check to be sure that you have the paper lever in the correct position BOT TOP REAR for the path you re using Caution Always turn the printer off before you turn the platen knob If the paper lever is in the correct position and you re using rear feed lift up the paper separator and check to be sure that paper i
26. printer itself Unplug the printer before you clean it Use only a damp cloth do not use liquid or aerosol cleaners Place your printer on a firm solid surface If you put it on something unsteady it might fall and be damaged if you place it on a soft surface such as a rug sofa or bed the vents may be blocked causing it to overheat To protect your printer from overheating make sure no openings on the printer are blocked Don t put the printer on or near a heat source such as a radiator or heat register If you put the printer in any kind of enclosure make sure it is well ventilated Do not put anything into the ventilation slots on the sides of printer you could get a shock or cause a fire The printhead can get quite hot when it has been printing for a length of time Do not touch the printhead untill it has had a chance to cool off Do not use your printer near water or spill liquid of any kind into it Be certain that your power source matches the rating listed on the back of the printer If you re not sure check with your dealer or with your local power com pany Your printer has a grounded plug as a safety feature and it will only fit into a grounded outlet If you can t plug it in chances are you have a non grounded ontlet contact an electrician to have it replaced with a grounded outlet Do not use an adapter to defeat the grounding To avoid damaging the power cord don t put anything on it or place i
27. to No Auto Select No factory default or Yes Determines whether or not your printer will automatically be selected after you load in paper With the factory default No en gaged the printer will be deselected so that you can set the Top of Form If you al ways use the same Top of Form setting change this setting to Yes so that you don t have to press the SEL button to select the printer after loading paper Auto Feed XT Epson mode only Invalid factory default or Valid In the Epson emu lation the XT signal on pin 14 of the parallel interface can control automatic line feed Some interface cables are wired in such a way that automatic line feed is always in effect the Auto Feed XT item eliminates this potential problem The factory setting causes the printer to ignore this signal if your system uses pin 14 to control automatic line feed change the setting to Valid Baud rate Appears only if optional Serial Interface is installed Range from 19 200 to 300 bps factory setting 9600 bps This item sets the transmission rate for the system Bi Direction Enable factory default or Disable Enables or disables the bi direc tional transmission PnP in Nibble mode 74 Appendix B Menu Selections Bottom Margin Valid factory default or Invalid Sets whether or not the printer will ignore the bottom margin setting Change the setting to Invalid if you want printer to ignore the bottom margin setting Be careful if you
28. with other keys to set and store Top of Form N A Same as Print Mode N A Advances paper Up one line Press and hold to ad vance by repetitive line feeds Activates Font Test Same as Print Mode Advances to next Group in Menu With printer deselected moves Top of Form setting up paper moves down on page in micro incre ments Activates Font Test Same as Print Mode Goes back to previous Group in Menu Feeds in sheet of paper or advances continuous form paper to print position Inserts or Ejects Page Advances to next Item in Menu FF LOAD SHIFT With printer deselected moves Top of Form setting down paper moves up on page in micro incre ments Moves continuous feed paper up for tear off or back down for printing select deselect states Same as Print Mode N A Not applicable Goes back to previous Item in Menu Advances to next Value in Menu ML720 721 Printer Handbook 29 Button Print Mode Help on Power Up With CSF Installed Menu Mode Move the print head to Re Move the print Goes back to verse head to Reverse previous Value in Menu Parks continuous form pa Ejects paper Prints list of all per Menu settings for current emu lation PARK Move the print head to Move the print Prints current SHIFT Forward head to Forward Group Menu Setting QUIET Activates deactivates Activates Rol
29. 1 32 1 37 Cut Sheet Feeder Control Cut Sheet Feeder Insert Sheet Cut Sheet Feeder Sheet Eject Cut Sheet Feeder Bin 1 or Bin 2 Selection Graphics Single Density Graphics Double Density Graphics Double Speed Quadruple Density Graphics ESC P or ESC ESC R ESC Q 27 80 or 27 81 27 82 27 35 81 1B 50 or 1B 51 1B 52 1B 23 51 90 Appendix C Priner Commands Microline Function Graphics cont Graphics Mode Selection Graphics Print Mode Selection ASCII Code Decimal Code 27 42 ny 58 3 Hexadecimal Code 1B2A n N2 3A 03 Horizontal Control Backspace Carriage Return Horizontal Tab Margin Setting Left Margin Setting Right Move to the Left Move to the Right Set Print Position Set Multiple Print Positions Set Horizontal Tab by Characters Set Horizontal Tab by Dot Columns Clear Horizontal Tab Settings Uni directional Print On Uni directional Print Off BS CR HT ESC 1 03 ESC 1 nona 4 ESC F n1 n3 n4 ESC En n2 ng n4 ESC n2 n4 ESC DEL P a2 P4 P3 P4 ESC HT xyz ESC HTX xy zw CR ESC HT CR ESC ESC 8 13 9 27 37 67 n n N3 27 37 82 n1 n4 27 37 70 ny 2 n4 27 37 69 Nn n4 27 37 66 n1 n4 27 16 64 Ph P1 Po P3 279 xy z13 273xyzw 13 27913 2745 27 61 08 00 09 1 2543 n n n 1B 25 52 nj n ng n4 1B 25 46 1 no ng
30. 82 27116 27 54 or 27 731 27 55 27 73 0 27 40 116 Ln Hn Pnl Pn2 1B52n 1B74n 1B 36 or 1B 49 01 1B 37 or 1B 49 00 1B 28 74 Ln Hn Pnl Character Size Spacing Select 10 cpi Pitch Select 12 cpi Pitch Select 15 cpi Pitch Select 20 cpi Pitch Cancel 20 cpi Pitch Set Compressed Pitch Superscript Printing On Subscript Printing On Superscript Subscript Printing Off Begin Double Width Printing Line by Line End Double Width Printing Line by Line Double Width Printing On Double Width Printing Off ESC P ESC M ESC g ESC SI DC2 SI 5 51 5 50 ESC T ESC SO DC 4 ESC W 1 ESC W 0 27 80 2777 27 103 2715 18 15 27831 27830 27 84 27 14 20 1B5701 1B 5700 ML720 721 Printer Handbook 85 Epson Function Character Size Spacing cont Double Height Printing On Proportional Spacing On Proportional Spacing Off Set Intercharacter Spacing ASCII Code ESC wn ESC p1 ESC p 0 ESC SP Decimal Code 27 9 27 1121 27 1120 2732 Hexadecimal Code 1B77n 1B 7001 1B 70 00 1B20n Character Style Select HSD Print Mode Select Utility or NLO Print Mode Select Draft Font Select font by Pitch and Point Select NLO Type Composite Command Italics On Italics Off Emphasized Printing On Emphasized Printing Off Enhanced Printing On Enhanced Printing Off Underline On Underline Off ESC n ESC xn ESC y Pn ESC X Pn Lp Hp ESC
31. F further up on page hold SHIFT button while pressing LF button this will advance paper down in micro increments Press SEL button SEL light will come on ML720 721 Printer Handbook 13 Loading Rear Feed Paper The rear feed paper path is recommended for single thickness continuous fan fold paper when printing spreadsheets long reports etc For graphics or charts it s best to use the single sheet paper path To load continuous form paper from the rear 1 If you have paper in paper path be sure to remove it before installing rear feed paper To remove single sheet press FF LOAD button To remove bottom feed paper press PARK button Position 2 Move paper lever to position marked T isi P a Rear REAR e UN 3 Open the access cover 14 Loading Paper 4 Hold up the middle of the paper sepa Paper rator and pull upwards separator Rotate the paper separator forward and Pull up roller stand against the pull up roller assem assembly bly Locate tractors ML720 721 Printer Handbook 15 Lock lever Tractor cover Paper holes on pins 7 Pull up on lock levers to release trac tors Position right hand tractor for width of paper you re loading gt The movement of the left tractor is limited to
32. Feed MENU Down Up TOF SET EXIT GROUP ITEM POWER ALARM MENU PRINT When the printer is selected SEL light on only the functions marked at the top of the bank of buttons LF FF LOAD TEAR PARK QUIET are in effect When the printer is deselected SEL light off the functions marked at the bottom of the buttons Micro Feed Down Micro Feed Up TOF can be accessed by means of the SHIFT button Fach button can have several functions depending on the mode in use Print Mode or Menu Mode on whether or not the printer is selected and on whether or not the optional Cut Sheet Feeder CSF is installed Most buttons also have a different func tion if they are pressed while the printer is being turned on In addition different combinations of two buttons can be used to access functions The various function available for each button are summarized in the table below The PRINT QUALITY and CHARACTER PITCH buttons are discussed under Performing Basic Tasks later in this chapter 28 Operation Button Summary of Front Panel Button Functions Print Mode Selects deselects printer Resets Paper Out of Paper Jam Alarm Also ends Font Test or Rolling ASCII test Help on Power Up Activates Menu Mode With CSF Installed Same as Print Mode Menu Mode Resets Paper Out Alarm Activates Menu Mode Activates Menu Mode Same as Print Mode Exits Menu Mode With printer deselected used
33. For best results use genuine OKI ribbons 1 Turn printer off 2 Disengage and swing open access cover Caution Be careful not to touch the printhead it may be hot 56 Ploblem Solving Maintenance amp Service printhead Swing front end up to remove Plastic shield facing platen 3 Slide ribbon cartridge along until it is centered on platen being careful not to touch printhead Swing front end of cartridge up off printhead then lift cartridge out and discard it Remove new ribbon cartridge from its packaging do NOT remove clear plastic ribbon shield Hold ribbon cartridge with knob fac ing up and exposed portion of ribbon facing platen Place flat end on ribbon plate fitting grooves over pins on plate ML720 721 Printer Handbook 57 Lower front end of cartridge over printhead until it snaps into place Turn knob in direction of arrow clock wise to take up any slack in ribbon 58 Ploblem Solving Maintenance amp Service Clearing Paper Jams Caution Always turn the printer off before you turn the platen knob Rear Feed Jams To clear a rear feed paper jam 1 Turn off printer 2 Turn platen knob to back paper out of printer Remove any ripped pieces of paper 3 Reload paper turn printer back on and press FF LOAD button If your paper keeps jamming the chances are excellent that you have bits of paper stuck in the pape
34. Ly Hn 08 00 1858 09 1844 1 2 0 1B 4400 1B 25 42 n N N3 N4 1B 1040 Pn Ay A2 P4 P P3 Py 1B 7C Ly Hn 1B551 1B 55 00 1B 64L Hn Vertical Control Page Length Set inn Inches Page Length Set in Lines Skip Over Perforation On Skip Over Perforation Off Set Top of Form at Current Position Form Feed Line Feed Perform 1 Line Feed Perform 444 Line Feed Auto Line Feed On Auto Line Feed Off Reverse Line Feed Set Line Spacing to 7 7 Set Line Spacing to 1 4 ESC COn ESC Cn ESC ESC ESC 4 FF LF ESC 51 ESC 27 670n 2767n 2778n 2779 2752 12 10 2774n 27 37 53 27531 27530 2793 2749 2748 1B 43 00 1B43n 1B4En 1B 4F 1B 34 0 0 1B4An 1B2535n 1B3501 1B3500 1B5D 1B31 1B 30 ML720 721 Printer Handbook 83 IBM Function Vertical Control cont Set Line Spacing to 1 14 Set Line Spacing to 7 444 Set Line Spacing to 1 5 Line feed compound command Perform Line Feed Set by ASCII Code ESC 3n ESC 9 ESC An ESC DLE H Pno 1 2 P1 P2 P3 ESC 2 Decimal Code 2751n 27 35 57 27 65 27 16 72 Pno Al 2 P1 P2 P3 27 50 Hexadecimal Code 1B33n 1B 25 39 1841 1B 10 48 Pno Al 2 P1P2P3 1 32 ESC A n Command Vertical Tab Set Vertical Tab Reset Vertical Tab to Defaults VT ESC Bnin 0 ESC R 11 2766 n nO 2782 OB 1842 1 2 0 Mis
35. Mode Buttons FF LOAD TEAR QUIET Eza Micro Micra feed EXIT GROUP ITEM PRINT POWER ALARM MENU ji 1 2 3 4 ML720 721 Printer Handbook 37 Here is summary of the buttons active in the Menu Mode 1 GROUP button Press to scan through groups of listings Each time you press the GROUP button a line will print showing the next group in the Menu To go back one group hold the SHIFT button while pressing the GROUP button ITEM button Press to scan through items for a particular group Each time you press the ITEM button a line will print showing the next item within the group To go back one item hold the SHIFT button while pressing the ITEM button SET button Press to change setting for the items Each time you press the SET button a line will print across the page showing the next setting for that item Keep pressing the button until the setting you wish to engage appears To go back one setting hold the SHIFT button while pressing the SET button PRINT button Press to print out listing of current settings for each items group by group Resetting Menu to Factory Defaults To reset your printer Menu to the factory settings turn the printer off then hold the SEL and LF buttons while turning it back on again Hold while pa printer on FF LOAD LOAD QUIET Micro F reed Micro GROUP ITEM PRINT POWER ALARM 38 Operation Pe
36. OKI MICROLINE 720 721 Printer Handbook Every effort has been made to ensure that the information in this document is com plete accurate and up to date OKI assumes no responsibility for the results of errors beyond its control OKI also cannot guarantee that changes in software and equip ment made by other manufacturers and referred to in this handbook will not affect the applicability of the information in this manual Mention of software products manu factured by other companies does not necessarily constitute endorsement by OKI OKI and MICROLINE are registered trademarks of OKI Electric Industry Company Ltd IBM and PC are registered trademarks of International Business Machines Corpora tion Epson is a registered trademark of Seiko Epson Corp Lotus and 1 2 3 are registered trademarks of Lotus Development Corporation Microsoft and MS DOS are regis tered trademarks and Windows is a trademark of Microsoft Corporation WordPerfect is a registered trademark of WordPerfect Corporation Important Safety Instructions Your OKI printer has been carefully designed to give you years of safe reliable per formance As with all electrical equipment however there are a few basic precau tions you should take to avoid hurting yourself or damaging the unit Read the setup and operation instructions in this manual carefully Be sure to save it for future reference Read and follow all warning and instruction labels on the
37. Paper 3 Ghapter 3 Operation This chapter explains how to operate your printer It also provides instructions on how to change the default settings and how to perform basic tasks including select ing typeface print quality selecting character pitch testing your printer and reset ting Top of Form to the factory default Control Panel SEL v tear PARK QUIET EE Micro Feed Feed SHIFT qo Fe PRINT QUALITY SET 10 EXIT GROUP ITEM PRINT POWER ALARM MENU RESET Ru CHARACTER PITCH Your printer s front panel lets you control paper feeding customize your printer s defaults to your particular needs and select print quality and character pitch Here s a breakdown of the controls on the front panel ML720 721 Printer Handbook 25 E Micra Feed TOF SET EXIT GROUP ITEM PRINT POWER ALARM MENU The seven buttons to the left on your control panel are multi function buttons In routine printer operation they are used to manipulate the paper but you can also use them to enter and make changes in the printer s program menu CHARACTER PITCH The PRINT QUALITY and CHARACTER PITCH sections at the right on the front panel are used to select the quality and size of the printing See Performing Basic Tasks later in this chapter for information on how to use these buttons Important The print quality and character pitch set by means of the fron
38. Rear Feed In the case of ML720 Mode 1 In the case of ML721 Mode 2 ML720 721 Printer Handbook Bottom feed continuous forms only thickness to 0 017 0 44mm Single part continuous forms 12 to 24 Ib Minimum 3 wide Carbonless multi part forms Original plus 5 copies 9 to 11 Ib Minimum 3 wide 2 e Interleaf multi part forms with carbon paper Original plus 4 copies 10 to 12 lb paper with 9 Ib carbon Minimum 3 wide 2 Continuous feed envelopes 24 b maximum 6 5 to 9 5 wide envelope itself Labels minimum 3 wide 2 maximum 10 ML720 or 16 ML721 wide Card stock papers up to 120 Ib maximum Please change mentioned below centering Position within a set up group fol lowing indication of 32 pages when a form of 3 wide is used by Bottom Feed In the case of ML720 Mode 1 In the case of ML721 Mode 2 10 Loading Paper Loading Single Sheet Paper The single sheet paper path is best for letterhead stationery memos and envelopes We also recommend it for printing graphs and charts because it provides the most accurate control of the paper To load in single sheets of paper gt If you have any continuous form paper in the paper path you must press the PARK button on the front panel to remove it from the path before lading single sheets 1 Make sure printer is turned ON and Seren deselected SEL light
39. SC 50 ESC 9 ESC 8 DC3 DC1 5 gt ESCin ESC ESC 0 OKI Unique Command 24 27 123n 127 27 64 271151 271150 2757 2756 19 17 2761 27 62 27 105 2735 27 050 Appendix Priner Commands OKI Microline ML Printer Commands Microline Function Bar Code Commands Select Bar Code Type and Size Print Bar Code Data Print Postnet Bar Code Data ASCII Code ESCDLEA mn ng ESC DLE B n data ESC DLE C n data Decimal Code 27 16 65 1 ng 27 16 66 data 27 16 67 data Hexadecimal Code 1B1041 mn ng 1B 10 42 n data 1B 10 43 n data Character Sets Select Standard Character Set Select Line Character Set comparable to IBM Set 2 Block character set Select International Character Set Select Code Page ESC 0 ESC 2 ESC 1 ESC T Ln Hn 00 Hep Les 6 27 33 48 27 33 50 27 33 49 27 33 2791 84L H 00 Hep Lep 0 1B 2130 1B 21 32 1B 2131 1B21n 1B5B54L Hj 00 Character Size Spacing Select 10 cpi Pitch Select 12 cpi Pitch Select 15 cpi Pitch Select 17 1 cpi Pitch Select 20 cpi Pitch Superscript Printing On Superscript Printing Off Subscript Printing On Subscript Printing Off Double Width Printing Double Height Printing On Double Height Printing Off Select Print Mode Proportional Spacing On Proportional Spacing Off Set Intercharacter Spacing RS FS ESC g GS ESC 3 ESC J ESC ESC
40. STIUUWXYZENT 7BABCDEFGHI JELMNOPORSTUYWXYZONI gt BABCDEFGHI JHLMNDPORSGTLUVIWXYZ EN IQBCDEFGHIJKLPMNOPGRSTUUWXYZENT e aBCDEFGHIJKLMNOPORSTUUNWXYZENI ABCDEFGHIJHLMNOPQRSTLVWXYZENT abedefghijklmnopqnestuvuwxyztb amp 7 Ok abcdefghijklmnopqrstuvwxyztbl lv C abedefghijklmnopqestuvwkyzibllvV 4S XRT abcdefghijiklmnopqrstuvwkyztl ly CR ma abcdefghijklmnopqnrstuvwxyztiliU 4 9 4 amp 0x 0 abcdefghijklmnapqrstuvwxyztll amp Qa m 1 BCDEFGHIJKLPMNOPGRSTUUWXYZEX1 abcdefghijklmnopqestuvwxyztl vV GAS XR Quee 7 CDEFGHIJKLMNOPGRSTLVWXYZUX1 abcdefghijklmnopqrstuvwxyztll 4SS 8 70123 DEFGHIJHKLMNOPGRSTUUWXYZEX1 abcdefghijklmnopaqncstuvwxyztlr 1848487 Ox 01234 ML720 721 Printer Handbook 43 To activate the Rolling ASCII Test 1 Be sure paper is loaded Caution For wide carriage Model 721 be sure you have wide paper loaded 2 Turn off printer 3 Hold QUIET button for several seconds while turning printer on If printer sim ply turns on without starting to print you didn t hold down QUIET button long enough Hexadecimal Dump Test If you want to test the data your computer is sending to the printer you can place the printer in the Hexadecimal Dump Mode When the printer is in the Hex Dump Mode all data received including text and printer commands will be printed in both hexa decimal and ASCII format
41. Tel 09 477 0500 Fax 09 477 0549 www comworth co nz OKI Oki Data Corporation 4 11 22 Shibaura Minato ku Tokyo 108 8551 Japan Tel 81 3 5445 6158 Fax 81 3 5445 6189 42113904EE
42. Y ER eH aon 71 Explanation of Menu tems x eben ice eu 74 Appendix C Printer Commands 81 81 Epson BX Printer Commands eene 85 OKI Microline ML Printer Commands 89 Appendix D ASCII Character Codes eese 93 Lower ASCII Character tete 93 Upper ASCH Character Sets tectis deb e psi 97 Epson International Character Substitutions 2 22 101 IBM International Character Substitutions essere 102 MICROLINE International Character Substitutions 103 Code Page Character Sete uda edis 104 Appendix E Interfacing essin en ess sas i a e nno 107 Pin Assignments for Parallel Interface Signals eet ets 107 Universal Serial Bus USB eese nennen enne nennen 108 Installing the Serial epe idi 109 Pin Assignments for Serial Interface Signals 111 This Guide is arranged to help you get your new MICROLINE 720 or 721 printer set up and running quickly as well as providing you with more detailed information for future reference Here s how it s organised Chapter 1 Installation shows you how to get your printer
43. ace Without inter face cable Note The use of the locking piece to 720 721 should be impermissible due to the exclusive ness for other models ML720 721 Printer Handbook 65 Replacement Parts Replacement Part Access Cover ML 720 Access Cover ML 721 AC Cord Poll up Roller Assembly ML 720 Poll up Roller Assembly ML 721 Platen Knob Printhead Ribbon Black 66 Ploblem Solving Maintenance amp Service Appendix A Specifications Print Method Printhead Print Speed Mode High Speed Draft HSD Utility Near Letter Quality NLQ Super Speed Draft SSD Characters per Line CPL Setting 10 cpi 12 cpi 15 cpi 17 1 cpi 20 cpi Emulations Interface Graphics Resolution Epson IBM Emulations MICROLINE Emulations Impact dot matrix 9 pins 0 30 mm diameter with thermal protection Characters per Second CPS 507 cps at 10 cpi 380 cps at 10 cpi 95 cps at 10 cpi 570 cps at 12 cpi ML720 ML721 80 cpl 136 cpl 96 cpl 163 cpl 120 cpl 204 cpl 137 cpl 233 cpl 160 cpl 272 cpl Epson FX IBM Proprinter OKI Microline co resident Standard Centronics parallel USB Optional 5 232 serial Single Density 60 x 216 dpi Double Density 120 x 216 dpi Quadruple Density 240 x 216 dpi Single Density 60 x 72 dpi 72 x 72 dpi Double Density 120 x 144 dpi 144 x 144 dpi Quadruple Density 240 x 144 dpi 288 x 144 dpi ML720 721 Printer Handbook 67 Residen
44. ace without removing the serial board but only one cable can be attached at a time When the serial interface is installed the Serial I F portion of the Menu will be come active see page 73 110 Appendix E Interfacing Pin Assignments for Serial Interface Signals Direction Protective Ground Transmitted Data From Printer Received Data To Printer Request to Send From Printer Not used Data Set Ready To Printer Signal Ground Not Used Supervisory Send Data From Printer Not Used Data Terminal Ready From Printer Not Used ML720 721 Printer Handbook Oki Data Corporation Oki Data Singapore Pte Ltd Oki Systems Thailand Ltd Oki Hong Kong Limited The IPL Group Comworth Systems Ltd 4 11 22 Shibaura Minato ku Tokyo 108 8551 Japan 78 Shenton Way 09 01 Singapore 079120 956 Udomvidhya Building 6th Floor Rama IV Rd Bangkok 10500 Thailand Suite 1909 Tower 3 China Hong Kong City 33 Canton Rd Tsimshatsui Kowloon Hong Kong 63 85 Victoria Street Beaconsfield NSW 2015 Australia 10 Constellation Drive Mairangi Bay Auckland New Zealand Tel 81 3 5445 6158 Fax 81 3 5445 6189 www okidata co jp Tel 65 6221 3722 Fax 65 6421 1688 www okidata com sg Tel 662 636 2535 Fax 662 636 2536 www okisysthai com Tel 852 2736 0130 Fax 852 2376 3725 Tel 02 9690 8200 Fax 02 9690 8300 www oki com au
45. ble from among the drivers supplied with your software If you don t see one from near the top of the list give the software manufacturer a call to see if they have added any drivers to those supplied when you purchased your software Software manufacturers are constantly updating their lists of drivers to keep up with the printer market and they may very well have one which will give maximum compatibility with your printer 50 Working with Software IBM Proprinter Emulation Epson FX Emulation OKI ML Emulation Oki ML 520 1 Oki ML 520 1 Oki Microline 520 521 IBM Epson Oki Microline 320 321 IBM Proprinter III Epson FX 850 1050 Oki Microline 292 293 IBM Proprinter II Epson FX 86 286 Oki Microline 192 193 IBM Proprinter Epson FX Oki Microline 182 183 Epson EX800 1000 Because there are some differences in characteristics such as speed or access to vari ous features you may wish to experiment with several different drivers If you must select a driver that is not listed in the table be sure to check it thoroughly for print features such as boldface underline and changes in pitch Don t be surprised if bold faced items are printed twice underlines are misplaced wide spaces are left between lines or the printer behaves chaotically turn off the printer if the latter occurs These are all characteristics of an incompatible driver selection Windows Printer Drivers To use this printer on a Windows operating system install
46. button while pressing the SEL button printer either selected or deselected The MENU light will come on and if the printer was selected the SEL light will go out To exit the Menu Mode hold the SHIFT button and press the SEL button The MENU light will go out and the SEL light will come on 32 Operation Sample Menu The menu is made up of groups of parameters Within each group is a list of items and each of those items has several possible settings Here s a sample Menu printout The first column lists the groups the second items the third settings Printer Control Font Font Font Font Font Font Symbol Sets Symbol Sets Symbol Sets Symbol Sets Rear Feed Rear Feed Rear Feed Rear Feed Rear Feed Bottom Feed Bottom Feed Bottom Feed Bottom Feed Bottos Feed Top Feed Top Feed Top Feed Top Feed Top Feed Top Feed Set Up Set Up Set Up Set Up Set Up Set Up Set Up Set Up Set Up Set Up Set Up Set Up Set Up Set Up Set Up Set Up Set Up Set Up Parallel I F Parallel I F Parallel I F Printer Control Emulation Mode Print Mode DRAFT Mode Pitch Proportional Spacing Style Size Character Set Language Set Zero Character Code Page Line Spacing Fora Tear Off Skip Over Perforation Fage Width Length Line Spacing Form Skip Over Perforation Page Width Page Length Line Spacing Bottom Margin Page Width Page L
47. cellaneous Cancel Change Emulation Paper Out Sensor On Paper Out Sensor Off Print Suppress Mode On ML 320 Turbo Print Suppress Mode On ML 321 Turbo Print Suppress Mode Off either Model Set Initial Conditions Incremental print mode On Off Software I Prime Stop Printing CAN ESC ESC 8 ESC 9 ESC STX ESC STX DC1 ESC K Ly Hj Init Id a4 ESCin ESC 0 ESCj OKI Unique command 24 27 123n 27 56 27 57 27 812 27 81 22 17 27 9175 Ly Hy Init Id 27105 27 1250 27 106 1B 5B 4BL Hn Init Id 1869 1B7D 00 84 Appendix C Priner Commands Epson FX Printer Commands Epson Function Bar Code Commands Select Bar Code Type and Size Print Bar Code Data Print Postnet Bar Code Data Print Bar Code ASCII Code ESCDLEA mn ng ESC DLE B m n data ESC DLE C n data ESC BLn Hn Pk Pm Ps Lv Hv PcDATA Decimal Code 27 16 65 ng 27 16 66 mn data 27 16 67 n data 27 40 66 Ln Hn Pk Pm Ps Lv Hv Pc DATA Hexadecimal Code 1B1041 mn ng 1B 10 42 mn data 1B 10 43 n data 1B 28 42 Ln Hn Pk Pm Ps Lv Hv Pc DATA Character Sets Select International Character Set Select Epson Character Set Permit Printing of Upper Range Control Codes Cancel Printing of Upper Range Control Codes Character table selection ESCRn ESC tn ESC 6 or ESCI1 ESC 7 or ESC I0 ESC t Ln Hn 1 Pn2 Pn3 27
48. de 2 SI Select Pitch 10 CPI 1 SI Select Pitch 12 CPI 1 Time Out Print Auto Select Centering Position CSF Type ESC SI Pitch 2 Power Saving Power Save Time Uni directional Bi directional 8 7 64K 128K 1 Line 32K No Yes 0 0 05 mm Left 0 10 mm Left 0 15 mm Left 0 20 mm Left 0 25 mm Left 0 25 mm Right 0 25 mm Right 0 15 mm Right 0 10 mm Right 0 05 mm Right 8 7 Full Operation Limited Operation No Yes Yes No No Yes No Yes Bin 1 Bin 2 No Yes 17 1 CPI 15 CPI 20 CPI 12 CPI Valid Invalid No Yes DEFAULT MODE 1 MODE 2 Wide Narrow 17 1 CPI 20 CPI Enable Disable 10min 15min 30min 60min 72 Appendix B Menu Selections Parallel I F I Prime Pin 18 Auto Feed 3 Bi Direction Setting Buffer Print Buffer Clear Invalid 5V Open Invalid Valid Enable Disable Serial I F 5 Parity Serial Data 7 8 Bits Protocol Diagnostic Test Busy Line Baud Rate DSR Signal DTR Signal Busy Time None Odd Even 8 Bits 7 Bits ReadylBusy X On X Off No Yes SSD SSD DTR RTS 19200 bps 9600 bps 4800 bps 2400 bps 1200 bps 600bps 300 bps Valid Invalid Ready on Power Up Ready on Select 200 ms 1 sec CSF Bin 1 4 Line Spacing Bottom Margin Page Width Page Length 6 LPL 8 LPI Valid Invalid 13 6 8 11 11 2 3 12 14 17 5 3 3 5 4 5 5 6 7 8 8 5 CSF Bin 2 4
49. ength Wait Time Page Length Control Graphics Receive Buffer Size Paper Out Override Print Registration SEs Operator Panel Function Reset Inhibit Print Suppress Effective Auto LF Ruto CR SI Select Pitch 10 SI Select Pitch 18CPI Time Qut Print Ruto Select Centering Position ESF Type ESC SI Pitch Power Saving Power Save Tige I Prime Pin 18 Bi Direction Eaulation Mode IBM PPR Utility HSD 10 CPI No Normal Single Set I American Slashed USA 6 LPI Off No 13 6 1 amp LPI Off No 13 6 11 6 LPI Valid 8 11 2 3 1 by Actual Page Length Uni directional 64K No Full Operation No Yes No No 17 1 CPI 12 CPI Valid No DEFAULT Wide 17 1 CPI Enable S min Buffer Print Enable IBM PPR ML720 721 Printer Handbook 33 Summary of Menu Settings The table below details the entries in the printer Menu as it comes from the factory The defaults are in bold face italic type Other entries will appear in the Menu depending on what options you have installed and what emulation is engaged For a complete listing of all the available Menu selections along with explanations for each setting see appendix B Printer Control Emulation Mode Setting IBM PPR Epson FX ML Font Print Mode DRAFT Mode Pitch Proportional Spacing Style Size Utittity NLO Courier NLO Gothic DRAFT HSD SSD
50. ensure that the paper will always contact the paper sen sor when loaded 8 Open the tractor cover and raise the paper separator 9 Pull paper and place first two holes on each side over tractor pins Please note that an equal number of pa per holes must be engaged on either tractor in order to ensure proper paper feed 16 Loading Paper separator a mark 10 Replace the paper separator and insert until the paper separator and upper cover marks align ML720 721 Printer Handbook 17 Tractor covers Lock lever Reference marks Wire feed guide Micro Feed Up 11 Close tractor covers and adjust left trac tor to position edge of paper reference marks on printer indicate left edge po sition for the two most common paper sizes When paper is properly aligned lock left tractor in place by pushing back on lock lever 12 Adjust right tractor so that paper holes are centered on pins careful if paper is stretched too tight or left too loose it jam and cause problems then lock right tractor in place by pushing back on lock lever 13 Set Paper separator and swing wire feed guide over to rest on pull up roller as sembly to prevent from curling back into printer 14 Push FF LOAD button Paper will au tomatically feed into printer and ALARM light will go out 18 Loading Paper Baseline Press to hold the pap
51. er before releasing the TEAR button Press to bring the paper down to the print position FF LOAD Micro Feed Micro Feed Down Up SET GROUP ITEM ALARM MENU Press to feed Hold paper down in micro increments a LF FF LOAD Micro Feed Micro Feed Down Up EXIT GROUP POWER ALARM Press to feed paper up in micro increments 15 Baseline for top of Form TOF on pa per is indicated by red line on clear plas tic paper shield 16 If desired change TOF setting using control panel If form tear off is being selected in the printer menu press the TEAR button to bring the paper down to the print position Hold down the SHIFT button and release the TEAR button to set TOF further down on page hold SHIFT button while pressing FF LOAD button this will advance paper up in micro increments to move TOF further up on page hold SHIFT button while pressing LF button this will advance paper down in micro increments ML720 721 Printer Handbook 19 SEL EXIT POWER 17 Press SEL button SEL light will come on gt temporarily change the Top of Form setting for a particular print job deselect the printer and press the LF button until you reach the TOF position you want to use The printer will retain this setting un til you turn it off 20 Loading Paper Paper Handling Your printer has several handy paper handling features e Tear e
52. g to print you didn t hold down LF button long enough Rolling ASCII Test The Rolling ASCII Test produces a continuous printout of all ASCII characters The printing will continue until you stop it manually by pressing the SEL button Here s a sample portion of a Rolling ASCII Test P F W equa SS 4cucpangivYR 1 CG ws aa 1823456789 JRLMHNOPORSTUUWXYZEN1 abedefghijkimne 0 0123456789 i PBABCDEFGHI JKLMNOPORSTUYWXYZON I abedefghijklmnaop HEAR Oe 01223456 89 IBHBCDEFGHI JKLINOPQORSTUVWXYZENT abcdefghijkimnopq HEAR Oe a IBEESAS6789 5 BRBCDEFGHIJKLMNOPGRSTUUWXYZINIT abedefghijkimnopqr PAET Oc 0123496789 5 JKLMNOPORSTUVWKYZEN abedefghijkimnopgrs RR ATEAC TARE E CER BEDEREDRIJROMNOBORSTINIA REDEANT abedefghijklmnopqrst amp Cer 201 83456789 CO PBABCDEFGHI JKLMNOPGQRSTUYWXYZENI abcdefghijklmnopaqrstu MLES4567891 5 IBRBCDEFGHIJHKLMNOPGRSTLVWXYZUNI abcdefghijklmnopqrstuv 0123456789 RYABCDEFGHI JKLMNOPGRSTUUWXYZEN17 abode fghijkimnopgrs tuvw 0122456783 5 PBABCDEFGHI JKLMNOPORSTUVWXYZO I aboedefghijkimnopqestiuvwx 2153456789 PBABCDEFGHI JKLMNOPORSTUVWXYZENAI 7 _ abcdefghijklmnopqnstuvwxy 0123455789 I8OBCDEFGHI JKLMNOPORSTUVWXYZCENI abcdefghijklmnopqestuvwxyz 1 4 amp 567
53. in 18 Pitch 10 cpi factory default 12 cpi 15 cpi 17 1 cpi or 20 cpi Selects the character width measured in characters per inch cpi Power Save Time 5min factory default 10min 15min 30min 60min Sets the time until the printer enters the power save mode This setting is effective when the power saving option is enabled ML720 721 Printer Handbook 77 Power Saving Enable factory default or Disable Enables or disables the power save mode When the power save mode is enabled the printer enters the power save mode when the time set in the Power Save Time option elapses while the printer is idle The SEL LED flashes and other LED turn off when the printer enters the power save mode Print DEL Code Microline mode only Choose No factory default or Yes Print Mode Utility factory default NLO Courier NLO Gothic DRAFT Choose one of the NLQ fonts for letter quality printing choose utility for higher speed draft print ing Choose DRAFT for HSD or SSD It prints either of HSD or SSD which is selected at the DRAFT MODE Print Registration 0 factory default 0 05 mm Left 0 15 mm Left 0 20 mm Left 0 25 mm Left 0 25 mm Right 0 20 mm Right 0 15 mm Right 0 10 mm Right or 0 05 mm Right Change the setting as required to obtain the best registration for bi directional printing Print Suppress Effective Yes factory default or No Enables disables print sup press command The factory default enables the pr
54. int suppress command the printer will ignore all data it receives after it accepts the print suppress command Change to No to cause your printer to ignore the print suppress command Proportional Spacing No factory default or Yes Change to Yes to engage propor tional spacing of characters Protocol Appears only if optional Serial Interface is installed Selects the type of pro tocol your system uses Ready Busy factory default or X On X Off Receive Buffer Size 64K factory default 1 Line 32K or 128K Selects the amount of memory devoted to holding received data Choosing 1 Line will tie up your computer during printing but if you about the print job the printer will stop printing much sooner Reset Inhibit No factory default or Yes Change to Yes if you want your printer to ignore the reset command sent by software This will prevent your software reset command from changing the settings you have made through the front panel con trols or through printer commands If you engage this feature don t forget that it will also prevent your software from clearing out existing settings when you finish print ing one document and switch to another 78 Appendix B Menu Selections Serial Data 7 8 Bits Appears only if optional Serial Interface is installed 8 Bits fac tory default or 7 Bits Change to 7 bits if your system uses a 7 bit data format SI Select Pitch 10 CPI mode only 17 1 CPI factory default o
55. is used mainly in the distribution industry Two digits are encoded one in the bars and one in the spaces Postnet Postnet bar coding is used by the U S Post Office for sorting mail by automated equip ment It incorporates a coding system using five bars and four spaces for each digit 48 Operation 3 Ghapter 4 Working with Software This chapter covers the fundamentals of setting up commercial software packages for use with your printer Be sure to read your software documentation carefully for more details Basic Terminology Before we start let s examine a few terms with which you may not be familiar Printer Commands gt If you re using commercial software with an appropriate printer driver see Printer Drivers below the printer commands will normally be sent to the printer by your software and you won t even need to think about them Printer commands are signals sent by your PC to the printer which guide and control its operation Printer commands tell the printer what character pitch to use what font to use what margins to use whether to use single or double spacing when to en gage disengage double width or double height printing etc Printer commands can be sent in decimal ASCII or hexadecimal form The values decimal ASCII hexadecimal for each type of command depend on which emula tion is active see Appendix C for a listing of printer commands for each emulation With only a few exce
56. itch Select 12 cpi Pitch Select 15 cpi Pitch Select 20 cpi Pitch Set Compressed Pitch Superscript Printing On Subscript Printing On Super script Subscript ML720 721 Printer Handbook 81 IBM Function Character Size Spacing cont Start Double Width Printing Line by Line End Double Width Printing Line by Line Double Width Printing On Double Width Printing Off Double Width and or Height Printing On Proportional Spacing On Proportional Spacing Off Set Intercharacter Spacing ASCII Code SO DC4 ESC W 1 ESC W0 ESC L Ham Mk ESC P1 ESC ESC Vn Decimal Code 14 20 27 871 27 870 2791 64 Ln Hn m1 my 27801 27800 2786n Hexadecimal Code 1B571 1B 57 00 1B 5B 40 Ln Hn m4 Mk 1B 50 01 1B 50 00 Character Style HSD Print Mode On Select Font Italics On Italics Off Emphasized Printing On Emphasized Printing Off Enhanced Printing On Enhanced Printing Off Underline On Underline Off Overscore On Overscore Off Select font by Pitch and Point Select Font Select Print Quality ESC 0 ESC In ESC ESC H ESC ESC F ESC G ESC H ESC 1 ESC 0 ESC 1 ESC 0 ESC DEL F Pho Pn Lp Hp ESC I Ln Hn Hfid Lfid Hfwd Lfwd fa Nul H Le ESC d Ln Hy Ph 273548 2773 278771 273772 2769 2770 2771 2772 27451 27450 27951 27950 27 16 70 Pno Pn Lp H 2791 73 Ln Hn Hfid Lfid Hfwd Lfwd fa Nul He Le 27 91 100 Ln Hy Pn 1B 1046 Pno Pn Lp
57. ix is brief explanation of each of the available bar codes along with a sample printout for each one UPC A Bar Code UPC Universal Product Code bar coding is used in the supermarket industry UPC A coding contains ten digits the first five digits represent the manufacturer the sec ond five digits identify the product UPCE UPC E bar coding is a six digit variation of UPC A used for labeling small items 46 Operation EAN 8 EAN European Article Numbering bar coding is a variation of UPC coding EAN 8 encodes eight digits LO EAN 13 EAN 13 encodes 13 digits and contains the same number of bars as UPC A The thir teenth digit combined with the twelfth digit provides a code representing a country Code 39 Also known as 3 of 9 Code code 39 is used in non retail applications Each character has five bars and four spaces Code patterns have been developed for 44 different alphabetic numeric and graphic characters ML720 721 Printer Handbook 47 128 Code 128 has 106 different characters each of which can have one of three differ ent meanings depending on which code set A B or C is engaged A special code at the beginning indicates which set is engaged three shift codes are also available for use within the bar code to indicate a change in the code set engaged as required amp NA UU Interleaved2 of 5 Inerleaved2 of 5 bar coding
58. k of printer Plug other end into grounded outlet 3 Turn printer on Printhead will cross back and forth along platen and POWER light will come on ALARM light will also come on but don t be concerned it s just telling you that there is no paper loaded You re now ready to load paper proceed to Chaper2 Installation 3 2 Loading Paper Your printer has provision for single sheet paper feed from the top and for continu ous form paper feed from the rear You can also install options the Cut Sheet Feeder which holds a stack of 100 sheets for feeding from the top and the Push and or Pull Tractors for feeding continuous form labels heavy card stock or multi part forms from the bottom See Chapter 5 for more information on these options Top Feed Single sheets basis weight 14 to 24 Ibs Single envelopes 24 lb maximum 6 5 to 9 5 wide Transparencies 8 5 x 11 Rear feed continuous forms only thickness to 0 014 0 36 mm Single part continuous forms 12 to 24 Ib Minimum 3 wide Carbonless multi part forms Original plus 4 copies 9 to 11 lb Minimum 3 wide 7 Interleaf multi part forms with carbon paper Original plus 4 copies 10 to 12 Ib paper with 9 Ib carbon Minimum 3 wide 7 4 Please change mentioned below centering Position within a set up group fol lowing indication of 32 pages when a form of 3 wide is used by
59. l Activates deacti QUIET mode ing ASCII Test vates QUIET mode QUIET Sets Top of Form Activates Roll Sets Top of Form SHIFT ing ASCII Test PRINT Selects next Print Quality N A Selects next Print QUALITY mode Quality mode PRINT Sets Resets Incremental N A Sets Resets Incre Prints all Menu QUALITY Print mode mental Print settings regard SHIFT mode less of emula tion options engaged Selects next pitch setting Selects next pitch N A setting With printer deselected With printer dese N A resets printer lected resets PITCH printer SHIFT FF LOAD Resets Menu N A TEAR and Top of Form to factory default N A Not applicable Operation Button SEL LF Help on Power Up Resets Menu to factory default With CSF Installed Menu Mode QUIET PARK Resets Top of Form to factory default Activates hex dump mode N A Not applicable ML720 721 Printer Handbook 31 Menu Mode When your printer is in the Menu Mode you can use the front panel controls to change the defaults for the printer parameters including emulation page length line spac ing typeface pitch etc For example you might want to change the page length to 14 inches if you re printing on legal size documents or to 3 inches if you re printing on labels or small cards To place your printer in the Menu Mode hold the SHIFT
60. move jammed single sheets of paper top feed Button Feed Jams If bottom feed paper jams 1 2 Turn printer OFF Rotate platen knob to back paper out of carriage If necessary open access cover and lift off pull up roller assembly to provide access to remove any ripped pieces from around carriage Turn off printer and use platen knob to back paper out carefully Be sure to remove any shreds of paper from printer before reloading paper Open access cover and lift off pull up roller assembly to provide access to car riage area 62 Ploblem Solving Maintenance amp Service Cleaning the Housing You should clean the printer every six months or after about 300 hours of operation To do this 1 Turn printer OFF and remove paper from path 2 Open access cover and remove pull up roller assembly 3 Use clean dry cloth to dust area around carriage shaft and platen Be sure to re move any loose particles of paper Note The built up of dust or paper powder in the printer which may be occurred by some environmental settings or media used may cause a mulfunction so execute cleaning ac cording to how the printer is dirty 4 Reinstall pull up roller assembly and close access cover Note When installing a pull up roller assem bly Shift the paper lever in agreement with the Rear mark before the installation gt Never use solvents strong deter gents
61. movement can cause un even print registration in graphics If you have this problem use the menu to deactivate Forms Tear off Paper Park Feature If you have continuous form paper loaded and you wish to switch to another paper path first tear off the printed pages then simply press the PARK button The continu ous form paper will immediately retract from the paper path Press SEL mm SHIFT D Up TOF SET EXIT GROUP ITEM PRINT POWER ALARM MENU 22 Loading Paper Switching Paper Paths To switch from continuous form feed from the rear or bottom optional push or pull tractor installed of the printer to single sheet feed from the top 1 Tear off printed pages 2 Press PARK button 3 Swing wire guide up into paper separator then pivot separator to upright posi tion 4 Move paper lever to position marked TOP 5 Load single sheet paper into paper separator To switch from top feed to continuous form tear or bottom optional push or pull tractor installed feed 1 Make sure no sheet is in paper path press FF LOAD to remove single sheet from path 2 Lower paper separator to continuous forms position and swing wire guide over onto pull up roller assembly 3 Move paper lever to position marked REAR or BOT as appropriate 4 Press FF LOAD button Continuous form paper will advance into print position ML720 721 Printer Handbook 23 24 Loading
62. off press SEL E button to deselect it necessary The ALARM light will remain until paper is loaded EXIT POWER ALARM 2 Move paper lever to position marked TOP ML720 721 Printer Handbook 11 Wire feed Flashes ME mm PROP mm CHARACTE Press 3 Grasp back of paper separator and un snap it from housing then swing it up into single sheet feed position making sure that wire feed guide is nestled in separator 4 Adjust paper feed guides for width of paper and drop sheet of paper into separator Paper will automatically feed into printer gt If the sheet of paper doesn t feed in properly the 15 light in the Char acter Pitch section at the bottom right of the control panel will be gin flashing To correct this press the SHIFT and RESET buttons si multaneously then reload the sheet 12 Loading Paper Baseline Press to feed Hold paper down in micro increments Em LF FF LOAD Micro Feed Micro Feed Down Up EXIT GROUP POWER ALARM Press to feed paper up in micro increments SEL EXIT POWER 5 7 Baseline for of Form TOF on pa per is indicated by red line on clear plas tic paper shield If desired change TOF setting using control panel to set TOF further down on page hold SHIFT button while pressing FF LOAD button this will advance paper up in micro increments to move TO
63. on the cabinet they could damage the housing ML720 721 Printer Handbook 63 Accessories You can add even more flexibility to your printer by means of the following optional accessories Cut Sheet Feeder Single Bin and Dual Bin Mounts on the platen to provide continu ous single sheet paper feed The bin will hold up to 100 sheets of standard 20 5 paper With cable for connection to printer Push Tractor Bottom Feed Converts printer for feeding continuous form paper from the bottom Use of bot tom feed eliminates the curling which takes place as rear feed paper moves around the platen Bottom feed is ideal for card stock thick multi part forms labels which could peel off and jam the unit if fed in from the rear etc Includes tractor support legs for printer and metal tear bar 64 Ploblem Solving Maintenance amp Service Pull Tractor Top Mount Used for bottom feed of labels or heavy card stock or in conjunction with the rear feed tractor to provide more precise pa per control when you re using multi part forms Includes cover for installation in place of access cover Roll Paper Stand Adapts ML 720 printer for use with roll type paper not supplied Not usable on ML 721 Includes stand and support With cable for connection to printer Serial Interface Includes serial interface board and lock ing piece for installation in printer next to standard parallel interf
64. or 8 Bits Data Word 1 Operator Panel Function Reset Inhibit Print Suppress Effective Auto LF Auto CR 2 Print DEL Code 1 SI Select Pitch 10 CPI 2 SI Select Pitch 12 CPI 2 Time Out Print Auto Select Centering Position CSF Type ESC SI Pitch 2 Power Saving Power Save Time Uni directional Bi directional 8 7 64K 128K 1 Line 32K No Yes 0 0 05 mm Left 0 10 mm Left 0 15 mm Left 0 20 mm Left 0 25 mm Left 0 25 mm Right 0 25 mm Right 0 15 mm Right 0 10 mm Right 0 05 mm Right 8 7 Full Operation Limited Operation No Yes Yes No No Yes No Yes No Yes 17 1 CPI 15 CPI 20 CPI 12 CPI Valid Invalid No Yes DEFAULT MODE 1 MODE 2 Wide Narrow 17 1 CPI 20 CPI Enable Disable 5min 10min 15min 30min 60min ML721 only 1 ML mode Only 2 BM mode Only ML720 721 Printer Handbook 35 Parallel I F I Prime Pin 18 Auto Feed XT 3 Bi Direction Setting Buffer Print Buffer Clear Invalid 5V Open Invalid Valid Enable Disable 3 EPSON mode Only 36 Operation Menu Mode Indicator Lights In the Menu Mode the following lights indicate your printer s status FF LOAD TEAR quier as Feed Micro fees PRINT QUALITY 10 EXIT GROUP ITEM PRINT POWER ALARM d RESET CHARACTER PITCH 1 2 1 POWER light Glows when printer is on 2 MENU light Glows when printer is in Menu Mode Menu
65. ptions printer commands begin with the ESC character decimal 27 hexadecimal 1B which serves as signal to the printer that what follows is to be interpreted as a command rather than just a string of characters Some printer com mands expect you supply a numerical value representing tab stops line spacing etc ML720 721 Printer Handbook 49 Emulations In order to eliminate hundreds of different sets of printer commands most printers emulate or imitate one of several general printers i e they accept all of that printer s commands and behave as though they were the emulated printer Your printer has three emulations BM Proprinter III factory default e Epson Oki Microline Printer Drivers Compatible Printer Drivers DOS Many of the software packages you use will contain drivers 100 compatible with your printer For older software however it may be necessary to select a driver that functions nearly the same as a driver specifically designed for your printer This gen erally means that you will be selecting a driver that provides commands to access most but not all of the available functions however the commands that are available will perform properly with your printer The table below summarizes the various drivers that will work with your printer They are listed in order by decreasing compatibility as you go down the list select one from as high up on the list as possible based on what is availa
66. r 15 CPI Sets what pitch 17 1 or 15 characters per inch will be engaged when the printer control panel is set for 10 cpi and the SI command is received SI Select Pitch 12 CPI IBM mode only 20 CPI factory default or 12 CPI Sets what pitch 20 or 12 characters per inch will be engaged when the printer control panel is set for 12 cpi and the SI command is received Size Choose Single factory default or Double width and height printing Skip Over Perforation No factory default or Yes Change to Yes if you want the printer to advance automatically to the next page when it comes within one inch of the bottom of the page If your software has its own page formatting controls keep this item set to No to avoid interface Style Choose Normal factory default or Italics Time Out Print Valid factory default or Invalid When printing if the printer doesn t receive any data a line feed or a form feed signal for awhile it will automatically dump out what s in the print buffer If your software spends a long time prossing between feeding portions of data to the printer you should change the setting to In valid to keep your printer from inadvertently dumping the received data while it s waiting for more Wait Time 500 ms 1 sec factory default or 2 sec Sets the amount of the printer will wait for more data before jumping from the print position up to the form tear off position Zero Character Slashed factory default
67. r Out Sensor On Paper Out Sensor Off Print Suppress Mode On Print Suppress Mode Off Software I Prime Incremental print mode On Off CAN ESC CAN ESC ESC gt ESC n ESC E0 ESC E1 DC3 ESC 0 ESCin 24 27 24 27 60 27 62 27 123n 27 69 0 27 69 1 19 17 27 1250 27 105 92 Appendix Priner Commands Appendix D ASCII Character Codes Lower ASCII Character Sets Lower ASCII Character Sets 1 4 IBM Set 2 ML Line Graphics 00 e e Y 4 2 n gt 4 1 q 1 T 4 ML720 721 Printer Handbook 93 Lower ASCII Character Sets 2 4 Epson IBM IM SEE IBM ML Standard Sets 1 amp 2 Set 1 Set3 amp Block Graphics 21 33 ML Line lt lt e rOevnvV e PAVIA gt gt HAs 94 Appendix D ASCII Character Codes Lower ASCII Character Sets 3 4 IBM Epson Sets IBM ML ie 1 amp 2 Setl Graphics 42 66 B B H I J K L M N Q R 5 U WwW X Y 2 N gt gt gt
68. r path To eliminate this problem 1 Turn off printer 2 Use platen knob to back paper out of printer 3 Remove the paper separator Remove Paper separator ML720 721 Printer Handbook 59 Tractor covers Remove pull up roller assembly 4 Open tractor covers and remove paper from printer 5 Open access cover and lift off pull up roller assembly Note Never attach or remove the pull up roller assembly when the paper separator is in the standing state 6 Fold some single sheet continuous feed paper over three times to produce page four sheets thick 7 Load this quadruple thick sheet onto tractor pins and close tractor covers 8 Turn platen knob to draw quadruple thick paper around platen This will bring jammed pieces of paper up and out so you can dispose of them 9 Back quadruple thick sheet out of printer using platen knob 60 Ploblem Solving Maintenance amp Service Replace pull up roller assembly 10 Replace pull up roller assembly Note When installing a pull up roller assem bly Shift the paper lever in agreement with the Rear mark before the installation 11 Reload regular paper open tractor cov ers place paper on pins close tractor covers 12 Swing access cover and paper separa tor back into place 13 Turn printer on and press FF LOAD button ML720 721 Printer Handbook 61 Single Sheet Feed Jams To re
69. r printer other codes in the initialization string may still override the printer MENU and or front panel settings ML720 721 Printer Handbook 55 The I Prime signal is sent over the parallel interface 31 and will automatically override any settings you have made using the front panel buttons To eliminate this problem enter the program MENU hold SHIFT button while pressing SEL MENU button and change the I Prime item in the Parallel I F group to Invalid the Print Quality and Character Pitch buttons on the front panel won t work The Operator Panel Function item on the printer MENU can be used to disable these buttons If the printer is part of a customized system or if it is used by a number of people the system manager may have used this option to make sure the printer is always set properly Static electricity causes the paper to stick In cold dry weather static charges can build up on continuous form paper This can make the paper cling to the paper separator If you have this problem during high volume printing jobs try moving the single sheet paper guides on the separator to gether so that the paper rests on the guides rather than on the separator itself Maintenance This section explains how to change ribbons clear paper jams and clean your printer Replacing the Ribbon Cartridge When replacing the ribbon be sure to use only ribbons specifically for use with MICROLINE 720 721 printers
70. rd stock Bottom only 120 Ib max N A Transparencies Top only 8 5 x 11 ML720 721 Printer Handbook Dimensions W x D x H ML 720 15 7 x 13 6 x 6 inch 398 x 345 x 153 mm ML 721 21 7 x 13 6 x 6 inch 552 x 345 x 153 mm Weight ML 720 16 4 Ib 7 5Kg ML 721 20 8 Ib 9 5Kg Environmental Requirements Operating Temperature 41 to 95 F 5 to 35 C Storage Temperature 14 to 122 F 10 to 50 C Operating Humidity 20 to 80 RH Storage Humidity 5 to 95 RH Electrical requirements 230 volts ac 15 14 50 60 Hz 2 Specifications subject to change without notice 70 Appendix A Specifications Appendix Menu Selections The menu selections for your printer are summarized below Factory defaults are in dicated in bold face italic Explanations for each item follow the table gt The table below summarizes all possible menu settings available with your printer Which of these you will actually see when you are working in the Menu depends on the active emulation and on the options installed Printer Control Emulation Mode Setting IBM PPR Epson FX ML Font Print Mode DRAFT Mode Pitch Proportional Spacing Style Size Utilitity NLQ Courier NLQ Gothic DRAFT HSD SSD 10 cpi 12 cpi 15 17 1 20 cpi No Yes Normal Italics Single Double Symbol Sets Character Set Language Set Zero Character Code Page Set I Se
71. ready to run and how to connect it to your computer Chapter 2 Loading Paper explains how to load paper for any of the two meth ods of paper feed Chapter 3 Operation describes how to control your printer from the front panel It also explains how to change the defaults how to test your printer and how to use bar codes Chapter 4 Working with Software gives you information on selecting a driver and installing your printer on popular software packages Chapter 5 Problem Solving Maintenance Service gives helpful hints on how to solve common printer problems and how to maintain your printer in tip top shape Appendices A through E contain a variety of reference material including speci fications menu listings lists of printer programming commands and ASCII characters ML720 721 Printer Handbook Introduction 3 Ghapter 1 Installation This chapter explains how to unpack and install your new printer Unpacking Unpack your printer and make sure you have the following items If you are missing any of these items contact your dealer immediately for a replacement e Printer Ribbon cartridge AC cord E is not included in case w some models e Printer Handbook amp Software on CD ROM Interface cable and paper are sold separately ML720 721 Printer Handbook Removing Shipping Retainers 1 Open access cover by grasping tabs at either end and lifting 2 Remove printhead
72. rforming Basic Tasks Selecting Print Quality Print quality button 7 HSD PRINT QUALITY Your printer allows you to select from four print qualities utility near letter quality NLQ high speed draft HSD and super speed draft SSD Utility printing in Gothic is the default designed for preparing rough drafts or internal correspondence NLQ printing in Courier or Gothic depending on MENU setting gives you sharp crisp characters for correspondence and important final documents that require a polished appearance HSD and SSD printing in Gothic gives the fastest printing but with the poorest quality To select the print quality you want press the PRINT QUALITY button successively until the light underneath the print quality you wish to engage is lit Your printer also prints of eight different bar codes accessible through printer commands For more information on bar codes see the end of this chap ter ML720 721 Printer Handbook 39 Selecting Character Pitch Character Pitch button 2 2 RESET 22 The character pitch determines the width of the individual characters and is mea sured in characters per inch cpi To select the character pitch press the CHARAC TER PITCH button successively until the light underneath the pitch you wish to en gage is lit In the Epson and IBM emulations the choices are 10 cpi 12cpi 15cpi 17cpi 20cpi or Propo
73. rtional In the MICROLINE emulation the choices are 10cpi 12cpi 15cpi 17cpi or 20 cpi either non proportional or proportional proportional is se lected when both the light under the desired cpi and the light under Prop are lit To reset the pitch to the user default Menu Setting 1 Be sure printer is deselected SEL light out If not press SEL button 2 Hold SHIFT button while pressing CHARACTER PITCH button If the SI command is received from your software the character pitch selected on the control panel will be overridden by the SI command 40 Operation The table below summarizes the fonts available from your printer Typeface Spacing NLQ Courier 10 cpi 12 cpi 15 cpi 17 cpi 20 cpi Proportional NLQ Letter Gothic 10 cpi 12 cpi 15 cpi 17 cpi 20 cpi Proportional Utility Gothic 10 cpi 12 cpi 15 cpi 17 cpi 20 cpi Proportional High Speed Draft Gothic 10 cpi 12 cpi 15 cpi 17 cpi 20 cpi Bar Code Code 39 UPC A UPC E EAN 8 EAN 13 Inter leaved 2 of 5 Code 128 Postnet Super Speed Draft Gothic Testing Your printer Your printer has three your can run the Font Test the Rolling ASCII Test and the Hexadecimal Dump Test ML720 721 Printer Handbook 41 Font Test The Font Test provides a printout containing samples of available typefaces Here s a portion of a Font Test printout ML721 F W 1 42028001 YR i a3 aa HSD
74. s properly on the tractors and has not jammed up somehow If the paper lever is in the correct position and you re using the optional bottom feed push tractor check the bottom tractor unit to be sure that paper is properly on the tractors and has not jammed up before entering the printer Once the paper is correctly loaded press and release the SEL button then hold the SHIFT button and press the RESET Character Pitch button I need to load paper but the Alarm light is not on If the Alarm light is off the printer thinks it has paper loaded To correct this problem press and release the SEL button then hold the SHIFT button and press the RESET Character Pitch button The Alarm light will come on and you ll be able to load paper my word processor files don t print the way I have the MENU and front panel set Before sending a file to the printer many word processors send either an initializa tion string or an I Prime signal to the printer The initialization storing contains codes that reset the printer to a default set of fea tures otherwise the printer might accidentally print using features set for a previous job These codes will override panel or MENU settings To set your printer to ignore the reset code enter the printer MENU hold SHIFT button while pressing SEL MENU button and change the Reset Inhibit item in the Set Up group to Yes Please note that while this will stop the reset code from resetting you
75. shipping retainer leave cover open for installation of rib bon Installation 3 gt separator lt lt 2 9 X es E 3727 2 lt gt o mark Paper 4 iS separator Protictive 6 material 5 A mark Protictive 6 material Pull up roller assembly 1 printhead on platen Hold the knob and remove the paper separator Remove the protective material Set and attach the post to the A mark of the upper cover and the paper sepa rator Remove the protective material from the pull up roller assembly With access cover open grasp print head and slide it until it is centered on platen Remove ribbon cartridge from its pack aging Important Leave the clear plastic rib bon shield on the cartridge ML720 721 Printer Handbook 3 Holding ribbon cartridge with knob ing up and ribbon sheild facing platen fit grooves on either side at back end of cartridge over pins on ribbon plate 4 Lower front of cartridge over printhead until it snaps into place then turn knob in direction of arrow clockwise to take up ribbon slack Headgap lever Number of position sheets between 1 and 2 5 Theheadgap lever by the side of cartridge 2 adjusts for different paper thicknesses Set it for the number of sheets in the between 2 and 3 forms you re using from 1 to 4 use set envelopes or ting 5 for envelopes or extra thick pa extra thick paper per
76. sing the printer and you don t want its settings changed Important This feature also prevents access to the Menu To access the Menu turn the printer off then hold down the SEL key while turning on the printer Page Length 11 11 7 12 14 17 5 3 8 5 4 5 5 6 7 8 8 5 Selects the length of the paper you ll be using in your printer This enables the printer to keep track of the initial printing position on each page Top of Form Page Length Control Choose page length control system for SASF mode by Actual Page Length Control page length by actual physical page length by Menu Setting Control page length by logical page length Page Width Appears in Menu for wide carriage model only Choose a page width of 13 6 or 8 Paper out Override No factory default or Yes The paper out detector senses when less than an inch of paper remains in the printer and stops printing at that point Changing this setting to Yes overrides the detector so you can print closer to the bot tom of the page if you re using single sheets Be careful if you use this feature it lets the printer continue printing when there s no more paper which can cause loss of data and may damage the printhead Parity Appears only if optional Serial Interface is installed None factory default Odd or Even Selects the type of parity your system uses Pin 18 5V factory default or Open Sets the signal on p
77. so explains how to install the optional Serial Interface Board and gives the pin assignments for the serial interface Pin Assignments for Parallel Interface Signals Return Pin Direction Strobe 19 To Printer Data 1 20 To Printer Data 2 21 To Printer Data 3 22 To Printer Data 4 23 To Printer Data 5 24 To Printer Data 6 25 To Printer Data 7 26 To Printer Data 8 27 To Printer Acknowledge 28 From Printer Busy 29 From Printer Paper End 30 From Printer Select No Return From Printer Auto Feed To Printer Not used OV No Return Signal Ground Chassis Ground No Return Frame Ground 5V From Printer OV Ground Input Prime To Printer Fault From Printer OV Signal Ground Not used Not used High Level Select In To Printer i 1 2 mA maximum ML720 721 Printer Handbook 107 Universal Serial Bus USB Universal Serial Bus Specification Revision 1 1 compliance 1 Connector Printer Side Receptacle Upstream Input to the USB Device Cable Side Series Plug 2 Cable Cable Length Max 5 m A cable must be met USB Spec Rev 1 1 for normal tion Note Cable is not provided 3 Table of USB I F signals Contact Number Signal Name 1 Vbus Not Used 2 D 3 D 4 GND Sell Shield 4 Connector pin arrangement 108
78. t Font Near Letter Quality Utility High Speed Draft Super Speed Draft Bar Code Receive Buffer Size Reliability Mean Time Between Failures MTBR Mean Time to Repair MTTR Printhead life Ribbon Life on average 10 cpi utility Courier Gothic Gothic Gothic Gothic Code 39 UPC A UPC E EAN 8 EAN 13 Inter leaved 2 of 5 Code 128 Postnet MAX 128K 20 000 hours at 25 duty cycle and 35 Page density 15 minutes 200 million characters average in 10 cpi utility mode at 25 duty and 35 page density 4 million characters 68 Appendix A Specifications Paper Specifications Width Minimum 3 Maximum ML 720 10 ML 721 16 Weight 12 to 24 Ib Thickness Rear feed 0 014 0 36 mm Bottom feed 0 017 0 44 mm Paper type Width range Cut sheets Top only 14 to 24 Ib ML720 7 2 to 8 5 ML721 72 to 14 3 Single part continuous forms Rear Bottom 12 to 24 lb ML720 3 to 10 ML721 3 to 16 Carbonless multipart contin Rear Bottom 9 to 11 lb ML720 3 to 10 uous form orig 4 copies ML721 3 to 16 Interleaf multipart continu Rear Bottom 10 to 12 lb paper ML720 3 to 10 ous form orig 4 copies 9 b carbon ML721 3 to 16 Labels Bottom only N A ML720 3 to 10 ML721 3 to 16 Envelopes single feed Top 24 Ib max 6 5 to 9 5 Envelopes continuous feed Bottom only 24 Ib max 6 5 to 9 5 non overlap type Ca
79. t II EPSON IBM mode Standard Line Graphics Block Graphics ML mode American French German Britishi Danish I Swedish Italian Spanish I Japanese Nor wegian Danish II Spanish II Latin Ameri can French Canadian Dutch Publisher Slashed Unslashed USA Canada French Multilingual Portu gal Norway 5 Abicomp Multilin gual 858 ISO 8859 15 Rear Feed Line Spacing Form Tear Off Skip Over Perforation Page Width Page Length 6 LPL 8 LPI Off 500 ms 1 sec 2 sec No Yes 13 6 8 11 11 2 3 12 14 17 5 3 3 5 4 5 5 6 7 8 8 5 ML720 721 Printer Handbook 71 Bottom Feed Line Spacing Form Tear Off Skip Over Perforation Page Width Page Length 6 LPI 8 LPI Off 500 ms 1 sec 2 sec No Yes 13 6 8 11 112 3 12 14 17 5 3 3 5 4 5 5 6 7 8 8 5 Feed Line Spacing Form Tear Off 6 Bottom Margin Page Width Page Length Wait Time Page Length Control 6 LPI 8 LPI Off 500ms 1 sec 2 sec Valid Invalid 13 6 8 11 11 2 3 12 14 17 5 3 3 5 4 5 5 6 7 8 8 5 1 sec 2 sec 50015 by Actual Page Length by Menu Setting Graphics 7 or 8 Bit Graphics 2 Receive Buffer Size Paper Out Override Print Registration 7 or 8 Bits Data Word 2 Operator Panel Function Reset Inhibit Print Suppress Effective Auto LF Auto CR CSF Bin Select Print DEL Co
80. t panel can be overridden by commands sent by the commercial software package from which you re printing a document If you run into this problem see Chapter 5 for informa tion on how to correct it 26 Operation Print Mode In its normal operating state your printer s front panel is in the Print Mode Indicator Lights In the Print Mode your printer has the following lights to indicate its status HSD FF LOAD TEAR PARK QUIET Feed a PRINT QUALITY 10 EXIT GROUP ITEM PRINT ALARM RESET RA N CHARACTER PITCH 1 3 1 POWER light Glows whenever printer is on 2 SEL light Glows when printer is selected ready to receive data Flashes when the printer is in print suppress mode or power saving mode Goes out when printer is deselected can t receive data 3 ALARM light Glows when error condition exists such as out of paper or paper jam Also glows when paper lever is set to wrong position Important If the ALARM light is blinking an unrecoverable error condition exists Try turning the printer off then on again if the light is still flashing contact your service dealer see Chapter 5 for more information on obtaining service 4 QUIET light Glows when printer is in QUIET state printer selected or deselected ML720 721 Printer Handbook 27 Buttons SEL FF LOAD TEAR PARK QUIET Mi Feed Micro
81. t where it will be walked on If the cord becomes damaged or frayed replace it immedi ately If you re using an extension cord or power strip with the printer make sure that the total of the amperes required by all the equipment on the extension is less than the extension s rating Generally the total ratings of all equipment plugged into any one power line should not exceed 15 amperes Don t exceed this unless you know that the power line your equipment is plugged into has a rating above 15 amperes Aside from the routine maintenance described in this handbook don t try to service the printer yourself opening the cover may expose you to shocks or other hazards Don t make any adjustments other than those outlined in the manual you might cause damage requiring extensive repair work If anything happens that indicates that your printer is not working properly or has been damaged unplug it immediately and follow the procedures in Chap ter 5 These are some of the things to look for The power cord or plug is frayed or damaged Liquid has been spilled into the housing or the printer has been exposed to water The printer has been dropped or its cabinet has been damaged The printer doesn t function normally when you re following the operating instructions Screen jitter on your CRT may occur in an environment where the space be tween your printer and CRT is narrow 200 mm or less In such cases open up the space
82. ted font becomes effective when DRAFT is selected at the Print Mode selection ML720 721 Printer Handbook 75 DSR Signal Applies only when optional Interface is installed Valid factory default or In valid Used with Ready Busy protocol to select the way your system handles the DSR Signal DTR Signal Applies only when optional Serial Interface is installed Ready on Power Up factory default or Ready on Select Change to Ready on Select if the DTR signal is required when the printer is selected leave as Ready on Power Up if DTR signal is required when printer is turned on Emulation Mode IBM PPR factory default Epson FX or ML Selects the Printer com mand set you want your printer to use IBM Proprinter Epson or OKI Microline ESC SI Pitch Designate the function of ESC SI command to 17 cpi setting default or 20 cpi setting Form Tear Off Off factory default 500 ms 1 sec or 2 sec Form Tear Off advances the paper to the perforation so that you can tear off a sheet of continuous forms pa per You can turn this feature off or you can select a time interval for the printer to wait before advancing the paper Graphics Bi directional factory default or Uni directional Bi directional graphics print faster than uni directional graphics but uni directional graphics have better print registration Bi directional graphics printing can be optimized by adjusting the Print Registration setting in the Menu
83. ter If you have installed the serial I F board check to be sure that the board is firmly seated in the printer ML720 721 Printer Handbook 53 I m getting strange symbols incorrect fonts etc when I try to print a document The printer driver you have engaged does not agree with the emulation selected for your printer To check the emulation selected first make sure paper is loaded then press the SEL and SHIFT buttons simultaneously to enter the MENU on your printer Next press the GROUP button this will print the emulation selected If the emulation is not the one you want to use press the SET button to change it to the one you want before exiting the MENU to exit press SEL and SHIFT buttons If the emulation is correct check your software documentation on how to select a printer driver then check to be sure that you have selected one of the drivers listed for that emulation on page 51 The closer the driver is to the top of the list the more compatible it will be with your printer If your software doesn t have any of the indi cated drivers available check with the software manufacturer to see if they have added any additional drivers since you purchased your software If you have embedded any printer commands in your software check to be sure that you entered them correctly installed a brand new ribbon and the printing is smeared and streaked The plastic shield on the ribbon is either loose
84. the Windows printer driver that is on the Printer Software CD ROM provided with your printer on your computer For information about which Windows systems are compatible with the printer drivers on the Printer Software CD ROM and the installation procedure open the Readme file on the Printer Software CD ROM ML720 721 Printer Handbook 51 52 Working with Software 3 Ghapter 5 Problem Solving Maintenance amp Service This chapter provides solutions to some common printer problems and explains the routine maintenance procedures that will help keep your printer in tip top operating condition It also tells you how to order parts consumables and accessories and pro vides information on obtaining service for your printer You will find your printer s warranty at the back of this Printer Handbook Problem Solving What if nothing happens when I turn on the printer The printer may not be plugged in Check the power cord connection to the outlet and to your printer If you re using a power strip make sure it s turned on Check to be sure that the fuse hasn t blown or that the circuit breaker hasn t tripped the printer doesn t print when the computer sends data The printer may be deselected If the SEL light is out press the SEL button to select the printer The printer cable may not be securely connected Check the cable to be sure that it is properly connected to both the PC and the prin
85. use this feature it lets the printer continue printing when there s no more paper which can cause loss of data and may damage the printhead Busy Line Appears only if optional Serial Interface is installed SSD factory de fault SSD DTR RTS If Ready Busy protocol factory default is selected you can choose which line your system monitors for a busy signal SSD 9V select SSD SSD 9V select SSD DTR 9V select DTR RTS 9V select RTS Busy Time Appears only if optional Serial Interface is installed 200 ms factory de fault or 1 sec Sets the length of the busy signal when the Ready Busy protocol factory default is engaged Centering Position Used to limit printhead travel when printing narrow columns Select Mode 1 for Model ML720 Select Mode 1 or Mode 2 for Model ML721 Character Set Choose IBM Set I factory default or IBM Set II EPSON IBM mode Choose Standard Line Graphics ML mode Code Page Choose USA factory default Canada French Multilingual Portugal Norway BRASCII Abicomp CSF Bin Select Appears only if optional Dual Bin Cut Sheet Feeder is installed Choose Bin 1 factory default or Bin 2 CSF Type Select Wide default or Narrow for CSF type Diagnostic Test Appears only if optional Serial Interface is installed No factory de fault or Yes Select Yes if you want to perform a diagnostic test of the serial interface DRAFT Mode Choose HSD or SSD for DRAFT font The selec

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